Examples for

Common Core Math: Grade 3: Numbers in Base Ten

In third grade, students use the concept of place value as a basis for performing arithmetic with multi-digit numbers, including adding and subtracting within one thousand and multiplying one-digit numbers by multiples of 10. Students also round numbers to the nearest 10 or 100.

Common Core Standards

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Addition & Subtraction

Perform addition and subtraction.

Add whole numbers (CCSS.Math.Content.3.NBT.A.2):

Subtract whole numbers (CCSS.Math.Content.3.NBT.A.2):

Rounding

Use place value to round whole numbers.

Round a number to a given place value (CCSS.Math.Content.3.NBT.A.1):

Multiplication

Perform multiplication.

Multiply single-digit whole numbers (CCSS.Math.Content.3.NBT.A.3):

Multiply a whole number by a multiple of 10 (CCSS.Math.Content.3.NBT.A.3):