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# Common Core Math: Kindergarten

In kindergarten, students learn the names of numbers up to one hundred, count the numbers of objects in groups and learn to represent and perform addition and subtraction with numbers up to 10. Students begin to form an understanding of place value by decomposing numbers from 11 to 19 into 10 plus some number of ones. Students also describe and categorize objects, including common geometric shapes, in terms of a variety of attributes such as length or weight.

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Perform addition and subtraction up to 10.

#### Add and subtract whole numbers (CCSS.Math.Content.K.OA.A.5):

#### Add to 10 (CCSS.Math.Content.K.OA.A.4):

Define and compare shapes.

#### Name and recognize common shapes (CCSS.Math.Content.K.G.A.2):

#### Distinguish between flat and solid shapes (CCSS.Math.Content.K.G.A.3):

Use counting to determine the number of objects in a group.

#### Count between any two numbers (CCSS.Math.Content.K.CC.A.2):

#### Count the number of objects (CCSS.Math.Content.K.CC.B.5):

#### Compare the sizes of two groups (CCSS.Math.Content.K.CC.C.6):

Explore the 10s and 1s places of numbers up to 19.

#### Decompose a number into 10s and 1s (CCSS.Math.Content.K.NBT.A.1):

#### Compose a number with 10 (CCSS.Math.Content.K.NBT.A.1):

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