Reteach Book. Grade 1 PROVIDES. Tier 1 Intervention for Every Lesson

Transcription

1 Book Grade 1 PROVIDES Tier 1 Intervention for Every Lesson

2 Copyright by Houghton Mifflin Harcourt Publishing Company All rights reserved. No part of the material protected by this copyright may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, broadcasting or by any other information storage and retrieval system, without written permission of the copyright owner unless such copying is expressly permitted by federal copyright law. Only those pages that are specifically enabled by the program and indicated by the presence of the print icon may be printed and reproduced in classroom quantities by individual teachers using the corresponding student s textbook or kit as the major vehicle for regular classroom instruction. HOUGHTON MIFFLIN HARCOURT and the HMH Logo are trademarks and service marks of Houghton Mifflin Harcourt Publishing Company. You shall not display, disparage, dilute or taint Houghton Mifflin Harcourt trademarks and service marks or use any confusingly similar marks, or use Houghton Mifflin Harcourt marks in such a way that would misrepresent the identity of the owner. Any permitted use of Houghton Mifflin Harcourt trademarks and service marks inures to the benefit of Houghton Mifflin Harcourt Publishing Company. All other trademarks, service marks or registered trademarks appearing on Houghton Mifflin Harcourt Publishing Company websites are the trademarks or service marks of their respective owners.

3 Contents CRITICAL AREA 1: Operations and Algebraic Thinking Chapter 1: Addition Concepts 1.1 Algebra Use Pictures to Add To...R1 1.2 Model Adding To...R2 1.3 Model Putting Together...R3 1.4 Problem Solving Model Addition...R4 1.5 Algebra Add Zero...R5 1.6 Algebra Add in Any Order...R6 1.7 Algebra Put Together Numbers to 10...R7 1.8 Addition to 10...R8 Chapter 2: Subtraction Concepts 2.1 Use Pictures to Show Taking From...R9 2.2 Model Taking From...R Model Taking Apart...R Problem Solving Model Subtraction...R Use Pictures and Subtraction to Compare...R Subtract to Compare...R Subtract All or Zero...R Algebra Take Apart Numbers...R Subtraction from 10 or Less...R17 Chapter 3: Addition Strategies 3.1 Algebra Add in Any Order...R Count On...R Add Doubles...R Use Doubles to Add...R Doubles Plus 1 and Doubles Minus 1...R Practice the Strategies...R Add 10 and More...R Make a 10 to Add...R Use Make a 10 to Add...R Algebra Add 3 Numbers...R Algebra Add 3 Numbers...R Problem Solving Use Addition Strategies...R29 iii Grade 1

4 Chapter 4: Subtraction Strategies 4.1 Count Back...R Think Addition to Subtract...R Use Think Addition to Subtract...R Use 10 to Subtract...R Break Apart to Subtract...R Problem Solving Use Subtraction Strategies...R35 Chapter 5: Addition and Subtraction Relationships 5.1 Problem Solving Add or Subtract...R Record Related Facts...R Identify Related Facts...R Use Addition to Check Subtraction...R Algebra Unknown Numbers...R Algebra Use Related Facts...R Choose an Operation...R Algebra Ways to Make Numbers to 20...R Algebra Equal and Not Equal...R Facts Practice to 20...R45 iv Grade 1

5 CRITICAL AREA 2: Number and Operations in Base Ten Chapter 6: Count and Model Numbers 6.1 Count by Ones to R Count by Tens to R Understand Ten and Ones...R Make Ten and Ones...R Tens...R Tens and Ones to 50...R Tens and Ones to R Problem Solving Show Numbers in Different Ways...R Model, Read, and Write Numbers from 100 to R Model, Read, and Write Numbers from 110 to R55 Chapter 7: Compare Numbers 7.1 Algebra Greater Than...R Algebra Less Than...R Algebra Use Symbols to Compare...R Problem Solving Compare Numbers...R More, 10 Less...R60 Chapter 8: Two-Digit Addition and Subtraction 8.1 Add and Subtract Within 20...R Add Tens...R Subtract Tens...R Use a Hundred Chart to Add...R Use Models to Add...R Make Ten to Add...R Use Place Value to Add...R Problem Solving Addition Word Problems...R Related Addition and Subtraction...R Practice Addition and Subtraction...R70 v Grade 1

6 CRITICAL AREA 3: Measurement and Data Chapter 9: Measurement 9.1 Order Length...R Indirect Measurement...R Use Nonstandard Units to Measure Length...R Make a Nonstandard Measuring Tool...R Problem Solving Measure and Compare...R Time to the Hour...R Time to the Half Hour...R Tell Time to the Hour and Half Hour...R Practice Time to the Hour and Half Hour...R79 Chapter 10: Represent Data 10.1 Read Picture Graphs...R Make Picture Graphs...R Read Bar Graphs...R Make Bar Graphs...R Read Tally Charts...R Make Tally Charts...R Problem Solving Represent Data...R86 vi Grade 1

7 CRITICAL AREA 4: Geometry Chapter 11: Three-Dimensional Geometry 11.1 Three-Dimensional Shapes...R Combine Three-Dimensional Shapes...R Make New Three-Dimensional Shapes...R Problem Solving Take Apart Three-Dimensional Shapes...R Two-Dimensional Shapes on Three-Dimensional Shapes...R91 Chapter 12: Two-Dimensional Geometry 12.1 Sort Two-Dimensional Shapes...R Describe Two-Dimensional Shapes...R Combine Two-Dimensional Shapes...R Combine More Shapes...R Problem Solving Make New Two-Dimensional Shapes...R Find Shapes in Shapes...R Take Apart Two-Dimensional Shapes...R Equal or Unequal Parts...R Halves...R Fourths... R101 vii Grade 1

8 End-of-Year Resources Getting Ready for Grade 2 Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20 Algebra Ways to Expand Numbers......GRR1 Identify Place Value GRR2 Use Place Value to Compare Numbers....GRR3 Algebra Addition Function Tables GRR4 Algebra Subtraction Function Tables.....GRR5 Algebra Follow the Rule GRR6 Add 3 Numbers GRR7 Add a One-Digit Number to a Two-Digit Number GRR8 Add Two-Digit Numbers GRR9 Repeated Addition GRR10 Use Repeated Addition to Solve Problems GRR11 Choose a Non-Standard Unit to Measure Length GRR12 Use a Non-Standard Ruler GRR13 Compare Lengths GRR14 Time to the Hour and Half Hour GRR15 Use a Picture Graph GRR16 Use a Bar Graph GRR17 Take a Survey GRR18 Identify Shapes GRR19 Equal Shares GRR20 viii Grade 1

9 Lesson 1.1 Algebra Use Pictures to Add To 3 cows and 2 more cows 5 cows. Draw circles around the animals added to the group. Write how many cats and 4 more cats cats 3. 2 bees and 2 more bees bees 5 dogs and 1 more dog dogs Grade 1 R1

10 Lesson 1.2 Model Adding To 1 frog and 2 more frogs = 3 Use to show adding to. Draw the. Write the sum horses and 4 more horses = 2. 1 bee and 1 more bee = 3. 4 cows and 1 more cow Grade = R2

11 Lesson 1.3 Model Putting Together Use to add two groups. Put the groups together to find how many. There are 3 brown dogs. There is 1 white dog. How many dogs are there? 4 dogs = 4 Use to solve. Draw to show your work. Write how many. 1. There are 4 black bears and 3 brown bears. How many bears are there? bears = 2. There are 6 red flowers and 2 white flowers. How many flowers are there? flowers = Grade 1 R3

12 Lesson 1.4 Problem Solving Model Addition Rico has 3. Then he gets 1 more. How many does he have now? What do I need to find? the number of Rico has now. Unlock the Problem crayons Show how to solve the problem. What information do I need to use? Rico has 3. He gets = 4 Read the problem. Use the bar model to solve. Complete the model and the number sentence. 1. There are 5 birds flying. Then 3 more birds join them. How many birds are flying now? = 5 3 Grade 1 R4

13 Lesson 1.5 Algebra Add Zero Use to show each number. Add. Write the sum = = 2 When you add zero to a number, the sum is that number. Use to show each number. Draw the. Write the sum = = = = Grade 1 R5

14 Lesson 1.6 Algebra Add in Any Order Write an addition sentence. Change the order of the addends. The sum is still the same. Turn the cube train around = 8 3 sum + 5 = 8 sum Use the sum. 1. to add. Write Change the order of the addends. Color to match. Write the addition sentence = + = = + = Grade 1 R6

15 Lesson 1.7 Algebra Put Together Numbers to 10 You can use to model ways to make = = 7 Use. Draw to show how to make 7. Complete the addition sentences = = = = 7 R7 Grade 1

16 Lesson 1.8 Addition to 10 You can use to help you add Use. Write the sum Grade 1 R8

17 Lesson 2.1 Use Pictures to Show Taking From Use the picture. 5 rabbits 3 hop away. 2 rabbits now Write how many there are now birds 4 fly away. birds now 2. 7 bees 2 fly away. bees now R9 Grade 1

18 Lesson 2.2 Model Taking From Circle the part you take from the group. Then cross it out. 3 dogs 2 dogs run away. 1 dog now 3-2 = 1 Circle the part you take from the group. Then cross it out. Write the difference goats 2 goats walk away. goats now 4-2 = 2. 6 ants 3 ants walk away. ants now 6-3 = R10 Grade 1

19 Lesson 2.3 Model Taking Apart You can use to subtract. Sam has 6 cars. 4 cars are red. The rest are yellow. How many cars are yellow? 2 cars are yellow Use to solve. Color. Write the number sentence and how many. 1. There are 5 books. 1 book is red. The rest are yellow. How many books are yellow? yellow books 2. There are 6 blocks. 3 blocks are small. The rest are big. How many blocks are big? big blocks R11 Grade 1

20 Lesson 2.4 Problem Solving Model Subtraction There were 9 bugs on a rock. 7 bugs ran away. How many bugs are on the rock now? What do I need to find? What information do I need to use? how many on the rock now bugs 9 7 bugs on a rock bugs ran away Show how to solve the problem = 2 Read the problem. Use the model to solve. Complete the model and the number sentence. 1. There are 5 birds. 1 bird is big. The rest are small. How many birds are small? 1 5 R12 Grade =

21 Lesson 2.5 Use Pictures and Subtraction to Compare You can subtract to compare groups. 7-6 = 1 There is 1 more There is 1 fewer than there are. than there are. Subtract to compare = more 6-4 = fewer = more 7-3 = fewer R13 Grade 1

22 Lesson 2.6 Subtract to Compare You can use to show the bar model. 8 6 Andy has 8 balloons. Jill has 6 balloons. How many more balloons does Andy have than Jill? more balloons = 2 Read the problem. Use the bar model to solve. Write the number sentence. Then write how many. 1. Bo has 6 rocks. Jen has 4 rocks. How many more rocks does Bo have than Jen? more rocks R14 Grade 1 - =

23 Lesson 2.7 Subtract All or Zero When you subtract zero from a number, the difference is the number. When you subtract a number from itself, the difference is zero. No are crossed out. 4-0 = 4 All are crossed out. 4-4 = 0 Use. Write the difference = = = 1-1 = = 4-4 = R15 Grade 1

24 Lesson 2.8 Algebra Take Apart Numbers You can use to take apart 6. Circle the part you take away. Then cross it out. 6-5 = = 2 Use to take apart 6. Circle the part you take away. Then cross it out. Complete the subtraction sentence = = = = R16 Grade 1

25 Lesson 2.9 Subtraction from 10 or Less You can use subtract. to help you 6 -_ 3 B 3 3 _- 1 B 2 Write the subtraction problem _ B 5-3 _ B _ B 4-2 _ B R17 Grade 1

26 Lesson 3.1 Algebra Add in Any Order You can change the order of the addends. The sum is the same _ 7 B Add. Change the order of the addends. Add again _ B B + B _ B 2. 2 BB B7 + 5 _ _ B B + B _ B _ B _ B B + B _ B B + B _ B R18 Grade 1

27 Lesson 3.2 Count On You can count on to find Start with the greater addend. Then count on. Write the sum. To add 3, count on = Circle the greater addend. Count on 1, 2, or 3. Write the missing numbers = = = = R19 Grade 1

28 Lesson 3.3 Add Doubles The addends are the same in a doubles fact. Count the. Write the missing numbers = = = 10 + = 4 + = 2 R20 Grade 1

29 Lesson 3.4 Use Doubles to Add Use a doubles fact to solve Break apart 4 into = 7 So, = 7. Use to model. Break apart to make a doubles fact. Add THINK = 6. 1 more than 6 is = So, = = So, =. R21 Grade 1

30 Lesson 3.5 Doubles Plus 1 and Doubles Minus 1 You can use doubles plus one facts and doubles minus one to add. Use doubles fact = 6. doubles plus one doubles minus one = = 5 Use doubles plus one or doubles minus one to add = = = = R22 Grade 1

31 Lesson 3.6 Practice the Strategies You can use different addition strategies to find sums. Count On Doubles = Doubles Plus = 6 Doubles Minus = = 9 1. Count on = 4. Use doubles = 2. Count on = 5. Use doubles plus = 3. Count on = 6. Use doubles minus = R23 Grade 1

32 Add 10 and More You can use counters and a ten frame to add a number to 10. Lesson 3.7 Find _ 14 Draw. Show the number that is added to 10. Write the sum _ _ R24 Grade 1

33 Lesson 3.8 Make a 10 to Add Show with counters and a ten frame. Use. Make a ten. Add _ 13 So, = 13. Draw Make a ten. Add to show the second addend. R _ So, = _ So, =. Grade 1

34 Lesson 3.9 Use Make a 10 to Add What is 9 + 5? Make a 10 to add. Use and a ten frame. Show the addends. 9 5 Show the greater addend in the ten frame. Make a 10. Add So, = 14. Draw. Make a ten to add R _ So, = _ So, =. Grade 1

35 Lesson 3.10 Algebra Add 3 Numbers You can add numbers in any order = = = = = 5 8 Use circles to change which two addends you add first. Complete the addition sentences = + = = + = = + = = + = R27 Grade 1

36 Lesson 3.11 Algebra Add 3 Numbers What strategies help you add 3 numbers? _ _ 14 Choose a strategy. Circle two addends to add first. Write the sum. Then find the total sum B 2 _ _ make a B+ 4 =14 B B + _ _ = 8 is a doubles fact. B8 + 6 =14B B B R28 Grade 1

37 Lesson 3.12 Problem Solving Use Addition Strategies Tory has 9 toys. Bob has 4 toys. Joy has 2 toys. How many toys do they have? What do I need to find? how many they have toys Unlock the Problem Show how to solve the problem. What information do I need to use? Tory has 9 toys. Bob has 4 toys. Joy has 2 toys. + + = toys Draw a picture to solve. 1. Rick has 7 books. He gets 2 more books. He then gets 2 more books. How many books does Rick have now? R29 books Grade 1

38 Lesson 4.1 Count Back Count back to subtract. Use 9. Count back 3. This shows counting back 3 from _ Use. Count back 1, 2, or 3. Write the difference R30 Grade 1

39 Lesson 4.2 Think Addition to Subtract What is 7 2 4? Think So = = 3 Use to model the number sentences. Draw to show your work. 1. What is ? Think 2 + = 11 So 11-2 = 2. What is ? Think 6 + = 10 So 10-6 = 3. What is 6 2 1? Think 1 + = 6 So 6-1 = R31 Grade 1

40 Lesson 4.3 Use Think Addition to Subtract Think of an addition fact to help you subtract. Think 11-6 =? = = 5 Use an addition fact to help you subtract. 1. What is 9 2 4? Use 4 + = 9 2. What is ? Use 6 + = 10 So 9-4 = So 10-6 = 3. What is ? Use 5 + = 12 So 12-5 = 4. What is 8 2 5? Use 5 + = 8 So 8-5 = R32 Grade 1

41 Lesson 4.4 Use 10 to Subtract Find Start with 9 cubes. Make a 10. Add cubes to make 14. Count what you added. You added 5. So, Use. Make a ten to subtract. Draw to show your work ? ? R33 Grade 1

42 Lesson 4.5 Break Apart to Subtract What is ? Start with 14. Make a ten. Take 4 from Then take 1 more So, Subtract. 1. What is ? Take 7 counters from 17. Step 1 Step 2 Step Then take counters from 10. Step So, R34 Grade 1

43 Lesson 4.6 Problem Solving Use Subtraction Strategies Lara has 15 crackers. She gives some of them away. She has 8 left. How many crackers does she give away? What do I need to find? how many Lara gives away crackers Unlock the Problem Show how to solve the problem. What information do I need to use? Lara has 15 crackers. Lara has 8 crackers left. Lara gives away 7 crackers. Act it out to solve. Draw to show your work. 1. Min has 13 marbles. She gives some away. She has 5 left. How many marbles does she give away? Min gives away marbles. R35 Grade 1

44 Lesson 5.1 Subtract There are 12 skunks in the woods. Some skunks walk away. There are 8 skunks still in the woods. How many skunks walk away? how many walk away Unlock the Problem skunks 8 12 skunks in the woods 8 skunks still in the woods 8 skunks still in the woods 4 walk away 12 There are 15 frogs on a log. Some frogs hop away. There are 7 frogs still on the log. How many frogs hop away? frogs hop away 7 15 R36 Grade 1

45 Lesson 5.2 Record Related Facts Use the numbers to write four related facts THINK Each number is in all four facts = = = = 4 Use the numbers to make related facts = 14 B - 8 = B = = B B + 7 = B = = 9 B - 2 = B = 11 B - 6 = = B = = 12 B - 9 = 3 B + 3 = B = 9 R37 Grade 1

46 Lesson 5.3 Identify Related Facts If you know an addition fact, you will also know the related subtraction fact. Add and subtract the related facts. Both facts use 2, 4, and 6. They are related facts. 2 C + 4 C = 6 6 C - 4 C = = 15-8 = = 11-4 = = 9-8 = R38 Grade 1

47 Use Addition to Check Subtraction You can use addition to check subtraction. Lesson 5.4 THINK Put the 5 and 3 back together. You start with 8. Take apart to subtract. Add to check. You end with _ B5 B _ B8 Use to help you. Subtract. Then add to check your answer. 7-3 _ B B + 3 _ B R39 Grade 1

48 Lesson 5.5 Algebra Unknown Numbers Add or subtract to find the unknown numbers. 6 + B5 = 11 THINK I start with 6. I keep adding cubes until there are 11. The missing number is 5. A related fact is 11-6 = = B5 Use to find the unknown numbers. Write the numbers B = = B 7 + B = = B B = = B 9 + B = = B B = = B R B= = B Grade 1

49 Lesson 5.6 Algebra Use Related Facts Find Use counters to help you. THINK Start with 6. How many do I add to make 11? = = Use counters. Write the missing numbers. 1. Find = = Find = = 12 3 R41 Grade 1

50 Lesson 5.7 Choose an Operation Liz has 15 stuffed animals. She gives away 6. How many stuffed animals are left? THINK Liz gives some away. So, I subtract. Circle subtract. 9 stuffed animals add subtract 15-6 = 9 Circle add or subtract. Write a number sentence to solve. 1. Misha has 11 crackers. He eats 2 crackers. How many crackers are left? crackers add subtract = 2. Lynn has 5 shells. Dan has 7 shells. How many shells do Lynn and Dan have? shells add subtract = R42 Grade 1

51 Lesson 5.8 Algebra Ways to Make Numbers to 20 These are some ways to make the number = = = 14 Use to show each way. Cross out the way that does not make the number R43 Grade 1

52 Lesson 5.9 Algebra Equal and Not Equal An equal sign means both sides are the same = = 5-2 THINK = 6 and 6-0 = 6. Is 6 the same as 6? yes It is true. THINK = 5 and 5-2 = 3. Is 5 the same as 3? no It is false. Which is true? Circle your answer. Which is false? Cross out your answer = = = = = = = = 10 1 R44 Grade 1

53 Lesson 5.10 Facts Practice to 20 Mr. Chi has 12 books. He sells 3 books. How many books are left? What is 12 3? THINK I can count back. Start at 12. Count 11, 10, 9. THINK I can use a related fact = = 9 So, 12-3 = 9. Add or subtract = = = = = = = = = R45 Grade 1

54 Lesson 6.1 Count by Ones to Count forward. Write the numbers. I find 108 on the chart. 109 comes next , 109, 110, 111 Use a Counting Chart. Count forward. Write the numbers ,,, 2. 25,,, 3. 95,,, 4. 50,,, R46 Grade 1

55 Lesson 6.2 Count by Tens to 120 Use the Counting Chart. Count forward by tens. Start on 4. 14, 24, 34, 44, 54, 64, 74, 84, 94, 104, Use the Counting Chart to count by tens. Write the numbers. 1. Start on 5. 15, 25, 35, 45,,,,, 2. Start on , 58, 68,,,,,, 3. Start on , 46,,,,,, R47 Grade 1

56 Lesson 6.3 Understand Ten and Ones You can use to show ten and some ones. You can write ten and ones in different ways ten 2 ones + 2 Use the model. Write the number three different ways. 1. ten ones + 2. ten ones + 3. ten ones + R48 Grade 1

57 Lesson 6.4 Make Ten and Ones You can make 1 ten with twelve 12 ones = 1 ten 2 ones 1 ten 2 ones Write how many tens and ones fifteen fourteen 1 ten 5 ones ten ones sixteen thirteen ten ones ten ones R49 Grade 1

58 Lesson 6.5 Tens You can put ones together to make tens. Draw to show the 2 tens. 20 ones = 2 tens 2 tens = 20 Use. Make groups of ten. Draw the tens. Write how many tens. Write the number ones = 3 tens tens = ones = 4 tens tens = ones = 5 tens tens = R50 Grade 1

59 Lesson 6.6 Tens and Ones to 50 You can use tens and ones to show a number. There are 4 tens. There are 2 ones. This shows 42. Tens Ones 4 tens 2 ones = 42 Use your MathBoard and to show the tens and ones. Write the numbers ten 8 ones = 18 2 tens 5 ones = tens 7 ones = 3 tens 6 ones = R51 Grade 1

60 Lesson 6.7 Tens and Ones to 100 If you know the tens and ones, you can write the number. There are 9 tens. There are 8 ones. The number is 98. Tens Ones 9 tens 8 ones = 98 Use your MathBoard and to show the tens and ones. Write the numbers tens 9 ones = 59 6 tens 3 ones = tens 7 ones = 8 tens 2 ones = R52 Grade 1

61 Lesson 6.8 Problem Solving Show Numbers in Different Ways How can you show the number 34 two different ways? What do I need to find? two different ways to show a number Unlock the Problem Show how to solve the problem. First Way What information do I need to use? The number is 34. THINK You can trade 1 ten for 10 ones. Second Way Tens Ones Tens Ones 1. Use to show 26 two different ways. Draw both ways. Tens Ones Tens Ones R53 Grade 1

62 Lesson 6.9 Model, Read, and Write Numbers from 100 to 110 What is 10 tens and 2 more? Count by tens. Then count by ones. 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 101, tens and 2 more = 102 Use to model the number. Write the number tens and 3 more tens and 7 more tens and 6 more tens and 9 more R54 Grade 1

63 Lesson 6.10 Model, Read, and Write Numbers from 110 to 120 What is the number? Count by tens. Then count by ones The number is 113. Use to model the number. Write the number R55 Grade 1

64 Lesson 7.1 Algebra Greater Than You can compare numbers to find which is greater is greater than > is greater than > 62. Draw lines to match. Write the numbers to compare is greater than. is greater than. > > R56 Grade 1

65 Lesson 7.2 Algebra Less Than You can compare numbers to find which is less is less than < is less than < 65. Draw lines to match. Write the numbers to compare is less than. is less than. < R57 < Grade 1

66 Lesson 7.3 Algebra Use Symbols to Compare You can use symbols to compare numbers. 15 C < C = C > 18 This symbol means is less than. This symbol means is equal to. This symbol means is greater than. Write >, <, or =. Complete the sentence C < is less than C C R58 48 C Grade 1

67 Lesson 7.4 Problem Solving Compare Numbers Anthony has the number cards shown. He gives away the cards with numbers less than 6 and greater than 9. Which cards does Anthony have now? What do I need to find? the number cards that Anthony has now Unlock the Problem Show how to solve the problem. Anthony has number cards 7 and 8. Make a model to solve. 1. Emily has the number cards shown. She gives away the cards less than 19 and greater than 22. Which cards does she have now? What information do I need to use? number cards < 6 and > 9. THINK Cross out the numbers Anthony gives away Emily has and. R59 Grade 1

68 Lesson More, 10 Less 24 is 10 less 44 is 10 more than 34. than Write the numbers that are 10 less and 10 more R60 Grade 1

69 Lesson 8.1 Add and Subtract Within 20 You can use strategies to add or subtract. count on doubles doubles plus one count back related facts doubles minus one What is 5 + 6? What is 12-4? I can use doubles plus one. I can use a related fact = = 12 So, = 11. Add or subtract = = = So, 12-4 = = = = R61 Grade 1

70 Lesson 8.2 Add Tens What is ? 1 ten + 3 tens = 4 tens = 40 Use. Start with 1 ten. Add 3 more tens. Draw the tens. Use. Draw to show tens. Write how many tens. Write the sum ten + 8 tens = tens = 4 tens + 3 tens = tens = 2 tens + 6 tens = tens 5 tens + 3 tens = tens = R = Grade 1

71 Lesson 8.3 Subtract Tens What is 60 40? 6 tens - 4 tens = 2 tens = 20 Use. Show 6 tens. Take away 4 tens. 2 tens are left. Use. Draw to show tens. Write how many tens. Write the difference tens - 4 tens = tens 9 tens - 5 tens = tens = = tens - 2 tens = tens 8 tens - 7 tens = ten = = R63 Grade 1

72 Lesson 8.4 Use a Hundred Chart to Add You can count on to add on a hundred chart Start at 21. Move right to count on 3 ones. Count 22, 23, = 24 Start at 68. Move down to count on 3 tens. Count 78, 88, = 98 Use the hundred chart to add. Count on by ones = = Count on by tens = = R64 Grade 1

73 Lesson 8.5 Use Models to Add Add ones to a two-digit number. THINK Draw 2 tens and 4 ones = 24 Add tens to a two-digit number. THINK = 51 Use. Draw to show how to add the ones or tens. Write the sum = = R65 Grade 1

74 Lesson 8.6 Make Ten to Add What is ? Step 1 Use. Show 17. Use. Show 5. Step 2 Make a ten. Step 3 Add = 22 So, = 22. Draw to show how you make a ten. Find the sum. 1. What is ? = 24 So, =. R66 Grade 1

75 Lesson 8.7 Use Place Value to Add You can use tens and ones to help you add. Tens Ones Add 25 and 22. Show 25. Show 22. How many tens? 2 tens + 2 tens = 4 tens How many ones? 5 ones + 2 ones = 7 ones 4 tens + 7 ones = _ 47 Use tens and ones to add. 1. Add 34 and 42. Tens Ones 3 tens + 4 tens = tens 4 ones + 2 ones = ones tens + ones = R67 Grade 1

76 Lesson 8.8 Problem Solving Addition Word Problems Morgan plants 17 seeds. Amy plants 8 seeds. How many seeds do they plant? Unlock the Problem What do I need to find? how many they plant seeds What information do I need to use? Morgan plants 17 seeds. Amy plants 8 seeds. Show how to solve the problem. seeds. count on ones make a ten add tens and ones Draw to solve. Circle your reasoning. 1. Edward buys 24 tomato plants. He buys15 pepper plants. How many plants does he buy? count on tens make a ten add tens and ones plants R68 Grade 1

77 Lesson 8.9 Related Addition and Subtraction You can count up and back by tens to add and subtract Start at 68. Move down to count up by 3 tens. Count 78, 88, = 98 Start at 98. Move up to count back by 3 tens. Count 88, 78, = 68 Use the hundred chart to add and subtract. Count up and back by tens = = = = R69 Grade 1

78 Lesson 8.10 Practice Addition and Subtraction You can use models to add and subtract. Add or subtract = = = = = = = = = = = = = = R70 Grade 1

79 Lesson 9.1 Order Length You can put objects in order by length. These pencils are in order from shortest to longest. shortest These pencils are in order from longest to shortest. longest longest shortest Draw three lines in order from shortest to longest. 1. shortest longest Draw three lines in order from longest to shortest. 4. longest shortest R71 Grade 1

80 Lesson 9.2 Indirect Measurement Clue 1: A marker is shorter than a pencil. Clue 2: The pencil is shorter than a ribbon. Is the marker shorter or longer than the ribbon? marker pencil ribbon So, the marker is shorter than the ribbon. Draw Clue 1. Draw Clue 2. Then compare the marker and the ribbon. Use the clues. Write shorter or longer to complete the sentence. Then draw to prove your answer. 1. Clue 1: A string is longer than a straw. Clue 2: The straw is longer than a pencil. Is the string shorter or longer than the pencil? string straw pencil Draw Clue 1. Draw Clue 2. Then compare the string and the pencil. The string is than the pencil. R72 Grade 1

81 Lesson 9.3 Use Nonstandard Units to Measure Length You can use Line up the. Count how many. about 5 to measure length. Use real objects. Use Count how many. to measure. 1. about 2. Glue about 3. about 4. about R73 Grade 1

82 Lesson 9.4 Make a Nonstandard Measuring Tool About how long is the ribbon? Count to measure. 10 Count on by ones. about Use real objects and the measuring tool you made. Measure. 1. about 2. about 3. about R74 Grade 1

83 Lesson 9.5 Problem Solving Measure and Compare The gray ribbon is 3 long. The white ribbon is 4 long. The black ribbon is 1 longer than the white ribbon. Draw and color the length of the ribbons in order from shortest to longest. What do I need to find? order the ribbons from shortest to longest Measure Show how to solve the problem. What information do I need to use? the ribbons using paper clips. shortest about about 4 longest about 5 1. The ribbon is the shortest ribbon. 2. The ribbon is the longest ribbon. R75 Grade 1

84 Lesson 9.6 Time to the Hour Look at the hour hand. The hour hand points to the 8. It is 8: Look at where the hour hand points. Write the time. 1. The hour hand points to the. It is. 2. The hour hand points to the. It is R76 Grade 1

85 Lesson 9.7 Time to the Half Hour The hour hand points halfway between the 9 and the 10. It is half past 9:00. Look at where the hour hand points. Write the time. 1. The hour hand points halfway between the and the. It is The hour hand points halfway between the and the. It is R77 Grade 1

86 Tell Time to the Hour and Half Hour The short hand is the hour hand. It shows the hour. The long hand is the minute hand. It shows the minutes after the hour. Lesson 9.8 There are 60 minutes in one hour There are 30 minutes in a half hour :00 8:30 Write the time R78 Grade 1

87 Lesson 9.9 Practice Time to the Hour and Half Hour The hour hand points to 8. The minute hand points to 12. The hour hand points between 8 and 9. The minute hand points to :00 8:30 Use the hour hand to write the time. Draw the minute hand R79 Grade 1

88 Lesson 10.1 Read Picture Graphs A picture graph uses pictures to show how many. Count the in each row. Snack We Like apple pretzel Each stands for 1 child who chose that snack. There are 5 children who chose. There are 3 children who chose. Use the picture graph to answer each question. sandwich What We Ate for Lunch S oup soup Each stands for 1 child. 1. Which lunch did more children choose? Circle. S oup 2. How many children chose? children 3. How many children chose S oup? children Grade 1 R80

89 Lesson 10.2 Make Picture Graphs Are there more black cars or white cars? Complete the picture graph to find out. Cross out each car as you count. Draw a in the graph to show each car. black white Black and White Cars Each stands for 1 car. Use the picture graph to answer each question. 1. How many are there? 2. How many are there? 3. Are there more or? Circle. Grade 1 R81

90 Kinds of Snacks Name Lesson 10.3 Read Bar Graphs A bar graph uses a bar to show how many. This graph shows 6 children chose. The longest bar shows the snack most children chose. Our Favorite Snack apple pretzel yogurt Number of Children Use the bar graph to answer the question. 1. How many children chose? children 2. How many children chose? children 3. Circle the snack the most children chose. 4. Circle the snack the fewest children chose. Grade 1 R82

91 Lesson 10.4 Make Bar Graphs Cross out each animal as you show it in the graph. Kinds of Animals Make a bar graph to show each animal in the picture. Animals at the Farm sheep chicks Number of Animals Are there more or in your classroom? 1. Make a bar graph to find out. Desks and Doors in Our Classroom Items desks doors Number of Items 2. How many are in your classroom? 3. Are there more or in your classroom? Circle. Grade 1 R83

92 Lesson 10.5 Read Tally Charts Some children named their favorite collections. Each stands for 1 child. Each stands for 5 children. Our Favorite Thing to Collect shells stamps Total More children like to collect stamps. Complete the tally chart. Do you have a pet? Total yes no Use the tally chart to answer each question. 1. How many children have a pet? children 2. How many children do not have a pet? children 3. Did more children answer yes or no? Grade 1 R84

93 Lesson 10.6 Make Tally Charts The picture shows shapes. Make a tally chart to show how many of each shape. Cross out each shape as you count. Shapes in the Picture Total circles 6 stars 3 triangles 8 Use the tally chart to answer each question. 1. How many are there? 2. How many more than are there? 3. Which shape is there the most of? Circle. Grade 1 R85 more

94 Lesson 10.7 Problem Solving Represent Data Ava has these beads to make a bracelet. How can you find how many beads she has? Unlock the Problem What do I need to find? how many Ava has beads What information do I need to use? the number of,, and in the picture Show how to solve the problem. Color the first bar to show there are 4 circles. circle square triangle Beads Ava Has Use the graph. Write how many. Add to solve How many beads does Ava have? beads Grade 1 R86

95 Lesson 11.1 Three-Dimensional Shapes curved surface curved and flat surfaces sphere cone cylinder flat surfaces rectangular prism cube Color to sort the shapes into three groups. 1. only flat surfaces 2. only a curved surface 3. both curved and flat surfaces cone cube cylinder sphere rectangular prism Grade 1 R87

96 Lesson 11.2 Combine Three-Dimensional Shapes Put shapes together to make a new shape. and do not make this shape. Use three-dimensional shapes. Combine. Which new shapes can you make? Circle them Grade 1 R88

97 Lesson 11.3 Make New Three-Dimensional Shapes Build a shape. Copy the shape. Combine them. Circle a new shape you can make. You cannot make this new shape. The first shapes did not stay the same. Use three-dimensional shapes. Build these shapes. Circle the new shape you can make. Cross out the shape you cannot make Grade 1 R89

98 Lesson 11.4 Problem Solving Take Apart Three-Dimensional Shapes Kate has,,, and. She built a tower. Which shapes did Kate use to build the tower? Unlock the Problem What do I need to find? which shapes Kate used to build the tower What information do I need to use? Kate has these shapes. Show how to solve the problem. Find the matching shapes. Use three-dimensional shapes. Circle your answer. 1. Which shapes did Marvin use to build this bench? Grade 1 R90

99 Lesson 11.5 Two-Dimensional Shapes on Three-Dimensional Shapes circle rectangle square Look at the shape. Circle the flat surfaces it has Grade 1 R91

100 Lesson 12.1 Sort Two-Dimensional Shapes Circles are curved and closed. Triangles have 3 sides and 3 vertices. Rectangles have 4 sides and 4 vertices. A square is a special kind of rectangle. Read the sorting rule. Circle the shapes that follow the rule sides 2. curved and closed 3. 3 vertices Grade 1 R92

101 Lesson 12.2 Describe Two-Dimensional Shapes side This shape has 4 straight sides and 4 vertices. vertex Write the number of straight sides or vertices. 1. triangle 2. square 3 sides vertices 3. hexagon 4. trapezoid vertices sides 5. triangle 6. square vertices sides Grade 1 R93

102 Lesson 12.3 Combine Two-Dimensional Shapes You can put shapes together to make a new shape. 3 make a. Use pattern blocks. Draw to show the blocks. Write how many blocks you used. 1. How many make a? make a. 2. How many make a? Grade 1 make a. R94

103 Lesson 12.4 Combine More Shapes Combine shapes to make a new shape. 2 Shapes Combine New Shape Circle the shapes that can combine to make the new shape Grade 1 R95

104 Lesson 12.5 Problem Solving Make New Two-Dimensional Shapes Luis wants to use to make a. How many does he need? Unlock the Problem What do I need to find? how Luis can make a What information do I need to use? using Luis uses Show how to solve the problem. 2 make a. Use shapes to solve. 1. Meg wants to use to make a. make a. Grade 1 R96

105 Lesson 12.6 Find Shapes in Shapes Which two pattern blocks make this shape? Use two pattern blocks to make the shape. Circle the blocks you use Grade 1 R97

106 Lesson 12.7 Take Apart Two-Dimensional Shapes Use pattern blocks to help you find the parts of a shape. Use 2 of. to find parts Draw a line to show the parts. Use pattern blocks. Draw a line to show the parts. 1. Show Show Show Show 2. Grade 1 R98

107 Lesson 12.8 Equal or Unequal Parts Equal Parts or Equal Shares The parts are the same size. Unequal Parts or Unequal Shares The parts are not the same size. Circle the shapes that show equal parts. Cross out the shapes that show unequal parts Grade 1 R99

108 Lesson 12.9 Halves How can you show halves? 1 whole 2 equal shares or 2 halves Draw a line to show halves. Write the numbers. 1. whole halves 2. whole halves Grade 1 R100

109 Lesson Fourths How can you show fourths? 1 whole 4 fourths or 4 quarters There are 4 equal shares. Draw lines to show fourths. Write the number. 1. whole fourths 2. Draw lines to show quarters. Write the number. whole fourths Grade 1 R101

110 Lesson 1 Algebra Ways to Expand Numbers You can write a number different ways. Count the tens. Count the ones. 4 tens 5 ones 4 tens is the same as ones is the same as is the same as 45. Write how many tens and ones. Write the number two different ways tens ones tens ones 1 1 Grade 1 GRR1

111 Lesson 2 Identify Place Value This shows the number has 1 hundred 3 tens 6 ones. Write the numbers in the table. Draw to show 136. Draw Draw for Draw for for hundreds tens ones Use your MathBoard and to show the number. Trace to draw the quick picture. Write how many hundreds, tens, and ones hundreds tens ones GRR2 Grade 1

112 Lesson 3 Use Place Value to Compare Numbers You can use models and symbols to compare numbers. Use the model to compare 142 and means is greater than, means is less than 5 means is equal to Step 1 Compare the hundreds. 1 hundred 5 1 hundred Step 2 Compare the tens. 4 tens 5 4 tens Step 3 Compare the ones. 2 ones, 7 ones So, 142 is less than C 147 Use if you need to. Write the numbers and compare. Write,,., or < Grade C166 Compare the numbers using.,,, or 5. You may wish to make a model to check C151 GRR3

113 Lesson 4 Algebra Addition Function Tables Follow the rule to complete a function table. At the top of the table is a rule. The rule is Add 7. To complete the table, Add 7 to each number on the left. Add Follow a rule to complete the table Add 2 Add 5 Add Grade 1 GRR4

114 Lesson 5 Algebra Subtraction Function Tables Follow the rule to complete a function table. At the top of the table is a rule. The rule is Subtract 5. To complete the table, Subtract 5 from each number on the left. Subtract Follow a rule to complete the table Subtract 3 Subtract 6 Subtract Grade 1 GRR5

115 Lesson 6 Algebra Follow the Rule Read the rule at the top of each table. Circle the table that tells you to add. Underline the table that tells you to subtract. Then complete both tables. Add Subtract Follow a rule to complete the table. 1. Add Subtract Grade 1 GRR6

116 Lesson 7 Add 3 Numbers Using a strategy can help you add 2 numbers. Start with 2 numbers that make a Start with 2 numbers that will help you to make doubles Start with 2 numbers to count on Start with 2 numbers. Trace the lines. Circle the strategy you use. Write the numbers. Find the sum make a 10 doubles count on make a 10 doubles count on make a doubles count on make a 10 doubles count on Grade 1 RGRR7

117 Lesson 8 Add a One-Digit Number to a Two-Digit Number Add to find how many tens and ones in all. Write the sum Tens Ones There are 4 tens. There are 5 ones. The sum is 45. Add. Write the sum Tens Ones Tens Ones Tens Ones Tens Ones Tens Ones Tens Ones Grade 1 GRR8

118 Lesson 9 Add Two-Digit Numbers Add to find how many tens and ones in all. Write the sum Tens Ones There are 3 tens. There are 5 ones. The sum is 35. Add. Write the sum Tens Ones Tens Ones Tens Ones Tens Ones Tens Ones Tens Ones Grade 1 GRR9

119 Lesson 10 Repeated Addition Equal groups have the same number of items in each group. You can add equal groups to find how many in all. There are 5 equal groups of fish. Each group has 2 fish. Add to find how many fish in all. You can use to make a model There are fish in all Use your MathBoard and. Make equal groups. Complete the addition sentence. Number of Equal Groups Number in Each Group How many in all? Grade 1 GRR10

120 Lesson 11 Use Repeated Addition to Solve Problems Loren has 3 jars. She wants to put 5 flowers in each jar. How many flowers does Loren need? Draw a picture to show the story. Step 1 Draw 3 jars. Step 2 Draw 5 Step 3 Find how many in all. Loren needs 15 flowers. flowers in each jar Draw pictures to show the story. Write the addition sentence to solve. 1. Matt plays with 2 friends. He wants to give each friend 4 cars. How many cars does Matt need? cars 2. Liz shops with 3 friends. She wants to buy each friend 3 hair clips. How many hair clips does Liz need? 1 5 hair clips Grade 1 GRR11

121 Lesson 12 Choose a Non-Standard Unit to Measure Length You can choose a nonstandard unit to measure the length of real objects. A is short. Use it to measure short objects. A is longer. Use it to measure long objects. Circle the unit you would use. Use to measure. Use to measure. Use real objects. Circle the unit you would use to measure. Then measure. Object Unit Measurement 1. about 2. about 3. about Grade 1 GRR12

122 Lesson 13 Use a Non-Standard Ruler Use the to measure the marker. 7 The marker is about 7 long. How many long is the string? 1. about long 2. about long Grade 1 GRR13

123 Lesson 14 Compare Lengths The black ribbon is shortest. The gray ribbon is longest. Use to measure each ribbon. about 8 long about 10 long about 6 long Color the shortest ribbon blue. Color the longest ribbon yellow. Then measure with. Write the lengths. 1. about about long long about long Grade 1 GRR14

124 Lesson 15 Time to the Hour and Half Hour Time to the Hour Time to the Half Hour minute hand points to hour hand points to the hour number minute hand points to 6 3:00 3:30 hour hand points halfway between the hour number and the next number Read the clock. Write the time Grade 1 GRR15

125 Lesson 16 Use a Picture Graph green grapes purple grapes Grapes We Like Each How many children chose? stands for 1 child. Which grapes did fewer children chose? Count the in the row. 5 children THINK Which row has fewer? purple grapes Our Shirt Colors red yellow blue Each stands for 1 child. Use the picture graph to answer the questions. 1. How many children are there in all? children 3. What color shirts are most of the children wearing? 2. How many children are wearing? children 4. How many more children are wearing than? children Grade 1 GRR16

126 Lesson 17 Use a Bar Graph Kind of Animal Animals Seen at the Pond turtle salamander frog Number of Animals How many the pond? were seen at Which animal was seen the least? Read the number below the end of the bar. THINK Which bar is the shortest? 6 turtles Use the bar graph to answer the questions. 1. How many animals in all were seen at the pond? 2. How many were seen at the pond? animals 3. How many fewer than were seen? 4. Were more or more seen? Grade 1 fewer more GRR17

127 Lesson 18 Take a Survey When you take a survey, you collect information. Tally marks help you keep track of the information you collect. Chris took a survey of his friends favorite lunch. The tally chart shows their answers. 3 Lunch children chose sandwich. 6 children chose pizza. 1 child chose salad. The most children chose pizza. Our Favorite Lunch sandwich pizza salad Tally 1. Take a survey. Ask 10 classmates which lunch is their favorite. Use tally marks to show their answers. 2. Did more children choose pizza or taco? Our Favorite Lunch Lunch Tally sandwich pizza salad taco 3. The most children chose. Grade 1 GRR18

128 Lesson 19 Identify Shapes vertex triangle hexagon side side 3 sides, 3 vertices 6 sides, 6 vertices vertex side vertex square rectangle trapezoid 4 sides, 4 vertices Circle to answer the question. Write to name the shape. 1. Which shape has 4 vertices? 2. Which shape has 3 vertices? 3. Which shape has 4 sides? 4. Which shape has 6 sides? Grade 1 GRR19

129 Lesson 20 Equal Shares 2 equal shares half of the circle 4 equal shares a fourth of the circle halves fourths Write to name the equal shares fourths Grade 1 GRR20