EXTENSION: Students may draw two times before they make a rectangle. Are the two # s they combined odd or even? Is their sum odd or even?

Transcription

1 TITLE: ODD or EVEN SOURCE: NCTM Addenda Series/Grades K-6 OBJECIVE; Students will be able to demonstrate an understanding of the relationships between odds and evens. Appropriate for grades 1-2, extensions for grade 3 MATERIALS: Twenty - 1 tiles, Pencils, and work mats. DIRECTIONS: 1. Give each student 20 tiles. 2. Each student will grab a handful of tiles, and count how many they grabbed. 3. Record the information on the work-mat. 4. Students will then arrange the tiles into a two row rectangular array. 5. Do your tiles make a rectangle, or is there a remainder of 1? 6. Record your information on the work-mat. 7. Is your number odd or even? Record this on the work-mat. EXTENSION: Students may draw two times before they make a rectangle. Are the two # s they combined odd or even? Is their sum odd or even? DIRECTIONS: 1. Grab a handful of tiles. 2. Count how many tiles you grabbed 3. Can these tiles be shared evenly with between two people? 4. Record the information on the work-mat. 5. Arrange the tiles into a two-row rectangle. 6. Do your tiles make a rectangle, or is there a remainder of 1? 7. Record your information on the work-mat. 8. Is your number odd or even? Record this on the work-mat.

2 TITLE: SPLASH BY ANN JONAS SOURCE: Splash by Ann Jonas, ISBN # OBJECTIVE: Student will practice listening skills by following directions and review basic addition and subtraction concepts. Appropriate for grades 1 and 2, extensions up to grade 3 MATERIALS: Splash By Ann Jonas, Pond Worksheet (one for each student), Character Worksheet (one for each student), scissors, colors DIRECTIONS: 1. Read the book aloud to the class without the worksheets. 2. Hand out Character worksheet, students will cut out the pieces and color them. 3. Reread the story, the students will act out the story by putting characters into and taking them out of the pond as the story progresses. 4. After the story, compare what is still in the pond, discuss differences. 5. Close with a discussion about which words meant add and subtract. EXTENSION: Add this activity to a math center. Students can do the activity by themselves or with a partner. Then have them write their own version of Splash and try it with a partner. Student Instructions: 1. Read the book 2. Move the characters in and out of the pond as you read the story. 3. Write your own version of the story. a. How did you change the story? b. Did you add, subtract, multiply or divide?

3 TITLE: WIN A FLAT SOURCE: Helping Students Understand Place Value by Doris H. Gluck, Arithmetic Teacher, March 1991 OBJECTIVE: Student will be able to add correctly using place value, regroup and take turns with a partner. Appropriate for grades K-3, or anyone struggling with place value. MATERIALS: Place Value Mat, 2 dice, Base Ten Blocks DIRECTIONS: 1. Two players take turns shaking 2 die. Each player has a Place Value Mat and access to a bank of Base Ten Blocks. 2. Add the two dice together, then add that sum to what they have on their place value mat. 3. Each player must say their new number. 4. Students practice regrouping each time the units place and the 10 s place reaches 10 or higher. Hint: sometimes a banker is needed to facilitate these transactions. 5. Play continues until a player gets a flat which is equal to 100 units. EXTENSION: Students play until they reach a Block or 1000 and use 3 or 4 dice. Student Directions 1. Each player needs a Place Value Mat, a set of Base Ten Blocks and 2 dice. 2. Roll the dice, add the numbers, using the Base Ten Blocks show your number on your mat. 3. Take turns. 4. Each turn you roll the dice and add the new number to your number on your mat. 5. The first player to get 1 flat, wins.

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5 TITLE: LOSE A FLAT SOURCE: Helping Students Understand Place Value by Doris H. Gluck, Arithmetic Teacher, March, 1991 OBJECTIVE: Student will be able to subtract, regroup and take turns with a partner. Appropriate for grades 2 and 3, or as a reteaching tool with older students DIRECTIONS: 1. Each player starts with a Place Value Mat, 1 Flat (100 units) and they share a pair of dice. 2. Roll the dice, add them together, and subtract that number from the Flat. 3. Regroup as needed, each player must say their new number. 4. First player to get rid of all their units pieces, wins! EXTENSIONS: Start with a Block (1000 units), use 3 dice and subtract down to 0. Student Directions 1. Each player needs a Place Value Mat, Base Ten Blocks and 2 dice. 2. Everyone starts with a flat (100) 3. Roll the dice, add the two together and subtract the number from the flat on your mat. Say your new number out loud. 4. Take turns. 5. The first player to get rid of all your pieces, WINS!

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7 TITLE: CALCULATOR PATHS SOURCE: Family Math OBJECTIVE: Students will practice estimation and mental computation Appropriate for grades 2-5 MATERIALS: Game boards (pp236,237), Markers of 2 colors, calculators DIRECTIONS: 1. The object of the game is to correctly choose, by estimating, numbers that will make a path from one side to the opposite side. Opposite sides are marked by the same symbol of stars or dots. 2. Any path may be chosen with as many turns as necessary to reach the other side. 3. Players or teams use estimation to pick the two numbers they want to use on each turn. 4. After announcing the choice of numbers to the other player or team, the sum or difference is found using a calculator. 5. Place a marker on the game board and not yet covered. 6. To win, a player or team must cover any path of answers connecting opposite sides of the game board. Extension: Calculator Paths also has multiplication and division Student Directions 1. The object of the game is to correctly choose, by estimating, numbers that will make a path from one side to the opposite side. Opposite sides are marked by the same symbol of stars or dots. 2. Any path may be chosen with as many turns as necessary to reach the other side. 3. Players or teams use estimation to pick the two numbers they want to use on each turn. 4. After announcing the choice of numbers to the other player or team, the sum or difference is found using a calculator. 5. Place a marker on the game board and not yet covered.

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9 TITLE: Newspaper Scavenger Hunt NCTM Addenda Series Grades K-6 Objectives: SWBAT Recognize and represent numbers in different forms. Materials: Newspaper, scissors, glue, and fun sheet Student Directions: 1.Students may work individually or in pairs. 2. Students search through the newspaper and look for the items on the fun sheet. 3. When they locate an item they cut it out and glue it on the fun sheet next to the corresponding item. This can be used as a center or whole group.

10 Newspaper Scavenger Hunt Names of your team members: In a newspaper, find the following items, cut them out, and paste your examples next to the description. 1. The price of something to eat. 2. A street address 3. Find a number > a thousand 4. A phone number 5. The date the paper was published 6. Find a fraction 7. A number that names a distance 8. A number that names a temperature 9. A number written in words 10. The score of a game

11 TITLE: Tic Tac Add Source: The Arithmetic Teacher Objective: SWBAT Demonstrate an understanding of Addition facts. Grade Level 2nd Materials: Addition game boards, 30 translucent Tokens of two different colors and directions Student Directions: 2 Players. 1. Object of the game is to be the first of 2 players to place 4 tokens in a row either vertically, horizontally or diagonally on the game board. 2. The youngest player goes first. 3. One Token of each color is used as the Addend Token and the remainders are used as Game Tokens. 4. Let s assume a player 1 is a girl and player 2 is a boy. 5. Let s also assume player 1 places her token on a 4 and her opponent s token on 7 on the Addend strip. The sum of these numbers determine the placement of her game token on 11. (The Addend tokens may be placed on the same Addend.) 6. Player 2 can move only his Addend token, (from the 7 while her Addend token remains in place) to another number on the Addend strip. The sum of these numbers determine the placement of his Game token on the game board. 7. Students record each number sentence on a sheet of paper. Extension: Students may use a modified board for Multiplication.

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13 Computer Game Center Objective : SWBAT Practice Addition and Subtraction and Multiples of 2 and 3. es.htm Grade Level: 2 nd and 3 rd Directions: 1. On the tool bar go to Favorites. 2. Drag down to Math Games 3. Select any of theses Math Games A. Color It B. Game Bone C. Find The Picture D. Ghost Blaster

14 Number Sense and Number Theory Presentation by Abe Schwartz, Peggy Eggert, and Robyn Johnson Anticipatory Set: Licorice Skit (2 min) Activity: Design a flag (10 min) : Fractions Summary: Peggy Centers (3 min) Abe extensions added to current curriculum (3 min) Robyn Bag of Tricks (3min) 1. Computer Activities: Sites for Kids a. i. A+Math, Matho, Concentration 2. Tic Tac Add- Addition game, adapted from Tic Tac Times 3. Newspaper Scavenger Hunt- adapter for grades 2 & 3 4. Calculator Paths: Addition and Subtraction 5. Splash: by By Ann Jonas Activity- extension activity for them to write their own version of the story 6. Win a- Flat: Place Value game adapted from Craigs Flip Book activity using addition 7. Lose a Flat: Place value game adaped from Craigs flip book activity to use subtraction 8. Design a Flag: Fractions activity 9. Find It, Match It Fractions Activity - a memory concentration game matching drawings to digits to words. A set of cards 10. Odd or Even: Craigs activity to visually see odd and even numbers with tiles 11. ASSESSMENT a. Observations as students participate b. Check-list c. Add as elements of these activities as questions on a formal test