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

Get information about Common Core Standards.

Look up a specific standard:

Search for all third grade standards in a domain:

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):


Use place value to round whole numbers.

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


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):