SECOND GRADE MATHEMATICS CURRICULUM

Transcription

1 UNIT 1 CONTENT: Place Value within 1000, Addition and Subtraction I can understand the value of digits in a three digit number. I can skip count by 5s, 10s, and 100s starting at any number. I can read and write the value of numbers up to 1000 using numerals, names and expanded form. I can compare three-digit numbers using <,>,= symbols. I can add and subtract within 1000 using manipulatives, pictures and I can explain my strategy in words. I can add or subtract 10 or 100 to any three-digit number in my head. I can explain why addition and subtraction strategies work using place value and properties of operations. I can show whole numbers as lengths on a number line using addition and subtraction within 100. ones, tens, hundreds, word form, expanded form, value, digit, greater than, less than, equal to, place value, properties of operations, commutative, associative, decomposing, composing, thousand, 2.NBT.1 (Understand value of digits in a 3 digit number) 2.NBT.2 (Count within 1000 by 5s, 10s, and 100s) 2.NBT.3 (Read and write numbers to 1000 using numerals, names and expanded form) 2.NBT.4 (Compare two 3-digit numbers using <, > and = symbols) 2.NBT.7 (Add and subtract within 1000 using manipulatives, pictures and words) 2.NBT.8 (Mentally add 10 or 100 to a given number between and subtract 10 or 100 from a number ) 2.NBT.9 (Explain why addition and subtraction strategies work using words and objects or pictures) 2.MD.6 (Represent whole numbers as lengths on a number line diagram and whole number sums & differences on the number line diagram) within 100 using models

2 UNIT 2 CONTENT: Length, Measurement, Line plot, Units, Number line, Whole Number Estimation, Comparison, Picture Graph, Bar Graph I can select appropriate measurement tools to measure an object. I can accurately measure an object. I can measure the same object using two different units of measurement. I can explain how the length of an object is related to the size of the unit I used. I can estimate lengths. I can compare the lengths of two objects. I can represent whole numbers of lengths on a number line. I can represent sums and differences within 100 using a number line. I can create a line plot showing the lengths of objects. I can draw a picture graph and bar graph. I can solve simple put-together, take-apart, and compare problems using information in a bar graph inches, centimeters, feet, meter, yards, estimate, line plot, rulers, yardsticks, meter sticks, measuring tapes, data 2.MD.1 (Measure length selecting & using appropriate tools) 2.MD.2 (Measure length of an object twice with 2 different units to compare unit relationships) 2.MD.3 (Estimate lengths in inches, feet, cm and m) 2.MD.4 (Measure to compare lengths of 2 different objects) 2.MD.6 (Represent whole numbers as lengths on a number line diagram and whole number sums & differences on the number line diagram) Assess in Unit 2 2.MD.9 (Measure lengths of several objects to the nearest unit and represent on a line plot) 2.MD.10 (Draw picture graphs and bar graphs to represent data sets and solve put together, take apart and compare problems about the graphs)

3 UNIT 3 CONTENT: Skip Counting, Addition, Subtraction I can count by 5s, 10s, and 100s within 1,000. I can fluently add and subtract within 100 using different strategies. I can add up to four two-digit numbers. I can explain my strategy when I add or subtract. I can explain why addition and subtraction strategies work using place value and properties of operations. I can identify various types of word problem situations I can solve multi-step word problems with unknowns in all three positions (all five situations) I know my basic addition and subtraction facts. I can solve addition and subtraction word problems about length I can represent sums and differences within 100 using a number line. I can represent whole numbers of lengths on a number line. associative property, commutative property, additive property of zero 2.NBT.2 Count within 1000 by 5s, 10s, and 100s 2.NBT.5 Fluently add and subtract within NBT.6 Add up to four 2-digit numbers 2.NBT.9 Explain why addition and subtraction strategies work using words and objects or pictures 2.OA.1 (Solve problems w/ unknowns in all 3 locations for +/- adding to, taking from, putting together, taking apart, comparing) 2.OA.2 (Fluently add w/i 20) 2.MD.5 (Add and subtract within 100 to solve word problems involving length) 2.MD.6 (Represent whole numbers as lengths on a number line diagram and whole number sums & differences on the number line diagram)

4 UNIT 4 CONTENT: Counting money, Money Word Problems, Skip Counting, Multi-step Word Problems with Unknowns I can identify the value of specific coins. I can add up total value of coins. I can count money to help me solve word problems. I can use monetary symbols appropriately. I can fluently add and subtract within 100. I can skip count within 1000 by 5s, 10s, and 100s. I can solve multi-step word problems with unknowns in all 3 positions (all five situations) quarters, dimes, nickels, pennies, counting up, monetary symbols, decimal, unknown number, result unknown, change unknown, start unknown 2.MD.8 (Solve word problems involving dollar bills, quarters, dimes, nickels and pennies using $ and symbols) 2.NBT.5 (Fluently add and subtract within 100) 2.NBT.2 (Count within 1000 by 5s, 10s, and 100s) 2.OA.1 (Solve problems w/ unknowns in all 3 locations for +/- adding to, taking from, putting together, taking apart, comparing)

5 UNIT 5 CONTENT: Shape Attributes, Fractions, Telling Time, Skip Counting, Partitioning Rectangles I can recognize and draw shapes with a given number of angles or sides. I can partition circles and rectangles into 2, 3, or 4 equal shares. I can use fractions to describe the equal parts of a shape. I can recognize that equal shares of identical wholes don t have to have the same shape. I can tell time to the nearest five minutes using analog and digital clocks using a.m. and p.m. I can skip count within 1000 by 5s, 10s, and 100s. I can partition a rectangle into rows and columns of equal size and count the total number. triangle, quadrilateral, pentagon, hexagon, cube, halves, thirds, fourths, half of, a third of, a fourth of, 2.G.1 (Recognize and draw shapes with a given # of angles or sides. Identify triangles, quadrilaterals, pentagons, hexagons & cubes) 2.G.2 (Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.) 2.G.3 (Partition circles and rectangles into 2,3 or 4 equal shares and describe using the words fraction vocabulary) 2.MD.7 (Tell time to the nearest 5 minutes.) 2.NBT.2 (Count within 100 by 5s, 10s, and 100s)

6 UNIT 6 CONTENT: Repeated Addition with Rectangular Arrays,, Rectangular Array Equations, Odd and Even Numbers, Working with Equal Groups of Objects, Partitioning Rectangles I can use repeated addition to find the total number of objects in a rectangular array with up to 5 rows and 5 columns. I can write an equation that expresses an array. I can group objects to tell if a number is odd or even. I can write an equation which shows adding the same two numbers will result in an even number. I can partition a rectangle into rows and columns of equal size and count the total number. rectangular arrays, partition, odd, even, remainder, equal groups, pair, equal, addend, row, column, doubles 2.OA.4 (Use addition to find the total number of objects in rectangular arrays and write addition equation with equal addends) 2.OA.3 (Even & Odd) 2.G.2 (Partition a rectangle into rows and columns and count to find the total)