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):

### 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.