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# Common Core Math: Grade 2

In second grade, students build fluency with arithmetic, using place value to extend their knowledge of addition and subtraction to within one thousand. Students also develop a foundation for multiplication by counting groups of objects arranged in rectangular arrays. Students measure and compare lengths of objects in multiple units and display data with line plots and bar graphs. Students tell time to the nearest five minutes, count money in various denominations, identify shapes based on defining attributes and partition shapes into equal parts.

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Describe place value and perform addition and subtraction up to one thousand.

#### Describe the place values of a number (CCSS.Math.Content.2.NBT.A.1):

#### Compare the magnitudes of numbers (CCSS.Math.Content.2.NBT.A.4):

#### Add and subtract whole numbers (CCSS.Math.Content.2.NBT.B.7):

Perform addition and subtraction up to one hundred and conceptualize multiplication.

#### Solve addition and subtraction equations (CCSS.Math.Content.2.OA.A.1):

#### Use repeated addition to count groups of objects (CCSS.Math.Content.2.OA.C.4):

Measure lengths, tell time to the nearest five minutes and compute with money.

#### Measure an object using different units (CCSS.Math.Content.2.MD.A.2):

#### Add or subtract length measurements (CCSS.Math.Content.2.MD.B.5):

#### Tell and write time (CCSS.Math.Content.2.MD.C.7):

#### Determine an amount of money (CCSS.Math.Content.2.MD.C.8):

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Step-by-Step Solutions for ArithmeticPre-Algebra Web AppFree Unlimited Arithmetic Practice Problems### RELATED EXAMPLES

Identify and partition shapes.