# CCSS.MATH.CONTENT.3.NBT.A.2 : Third Grade Math Worksheets

Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.

Here is a collection of our common core aligned worksheets for core standard 3.NBT.A.2.

A brief description of the worksheets is on each of the worksheet widgets. Click on the images to view, download, or print them. All worksheets are free for individual and non-commercial use.

Please visit 3.NBT.A to view our large collection of printable worksheets. View the full list of topics for this grade and subject categorized by common core standards or in a traditional way.

•   Unlimited Access

3.NBT.A      3.NBT.A.2

Double Digit Subtraction

Practice subtraction with double digits in a vertical format.

Core Standard: 3.NBT.A.2

Balancing Equations - Up to 3-Digits

Write the number in the blank that makes each equation true.

Core Standard: 3.NBT.A.2

Function Tables - Up to 3-Digits

Complete each function table.

Core Standard: 3.NBT.A.2

Input/Output Table

Core Standard: 3.NBT.A.2

Complete each input/output table.

Core Standard: 3.NBT.A.2

Fact Families

Fill in the missing fact for each fact family.

Core Standard: 3.NBT.A.2

Fact Families

Finish the fact family for each group of numbers.

Core Standard: 3.NBT.A.2

Practice basic addition and subtraction facts with this fact family worksheet.

Core Standard: 3.NBT.A.2

Play the Sport

Finish the fact families. Write the missing numbers.

Core Standard: 3.NBT.A.2

2 - Digit Subtraction

Solve 2-digit subtraction problems.

Core Standard: 3.NBT.A.2

2- Digit Subtraction

Estimate, then ï¬nd each difference.

Core Standard: 3.NBT.A.2

Bell Bingo

Subtract using regrouping. Color all the cards with the same number as the number written on the card with the bell.

Core Standard: 3.NBT.A.2

Slam Dunk!

Complete each addition sentence - up to three digits.

Core Standard: 3.NBT.A.2

Double Digit Subtraction

Practice subtraction with double digits. The problem do require regrouping.

Core Standard: 3.NBT.A.2

Double Digit Subtraction

Practice subtraction with double digits. Some of the problems do require regrouping.

Core Standard: 3.NBT.A.2

Practice double digit subtraction.

Core Standard: 3.NBT.A.2

Tic Tac Toe

Subtract numbers, then draw a line through three same answers to win the game of tic tac toe.

Core Standard: 3.NBT.A.2

4 Digit Subtraction 2

Professor Hansen has coded some subtraction problems. Use the special symbols from a table to decode the numbers. Then find the difference.

Core Standard: 3.NBT.A.2

4-Digit Subtraction

practice 4- digit subtraction ( with/without regrouping) and compare each difference using symbols.

Core Standard: 3.NBT.A.2

Alien Attack Subtraction

Practice finding the difference.

Core Standard: 3.NBT.A.2

Subtract Greater Numbers

Practice subtraction of 3- and 4- digit numbers.

Core Standard: 3.NBT.A.2

Subtract Across Zeros

Subtract three and four digit numbers across zeros.

Core Standard: 3.NBT.A.2

In and Out Subtraction

Students will find the output for a corresponding input and a given subtraction rule.

Core Standard: 3.NBT.A.2

Adding More Than 2 Numbers (0-20)

Practice adding more than two numbers in a horizontal format.

Core Standard: 3.NBT.A.2

Use properties of addition to solve problems.

Core Standard: 3.NBT.A.2

Find missing addends. Then use addition or a related subtraction fact to solve the word problems.

Core Standard: 3.NBT.A.2

Core Standard: 3.NBT.A.2

Core Standard: 3.NBT.A.2

Estimate, then find the sum using place value or mental math.

Core Standard: 3.NBT.A.2

Practing addition in a horizontal format.

Core Standard: 3.NBT.A.2

Adding More Than 2 Numbers (0-100)

Core Standard: 3.NBT.A.2

Adding More Than 2 Numbers (0-100)

Core Standard: 3.NBT.A.2

Adding More Than 2 Numbers (0-100)

Practice adding three numbers (up to 100).

Core Standard: 3.NBT.A.2

Adding More Than 2 Numbers (0-20)

Practice adding more than 2 numbers in a horizontal format.

Core Standard: 3.NBT.A.2

Use addition properties to find each sum.

Core Standard: 3.NBT.A.2

Estimate Sums

Estimating sums by using rounding and compatible numbers.

Core Standard: 3.NBT.A.2

Nighty Night

Solve each addition problem using regrouping / carry over.

Core Standard: 3.NBT.A.2

Shelly Squirrel's 3 - Digit Addition

Shelly Squirrel eats the acorns that have the number 1 in the ones place. Add to find each sum and cross each answer with 1 in the ones place.

Core Standard: 3.NBT.A.2

Solve addition problems with 3-digit numbers.

Core Standard: 3.NBT.A.2

Adding 3- and 4- Digit Numbers

Practice adding three and four digit numbers. Some of the problems do require regrouping/carrying.

Core Standard: 3.NBT.A.2

Practice adding 4- digit numbers to find the sums.

Core Standard: 3.NBT.A.2

Core Standard: 3.NBT.A.2

Addition Sentences - Up to 3-Digits

Complete each addition sentence by filling in the correct numbers in the blanks.

Core Standard: 3.NBT.A.2

Balance Equations

Compare the sum for each set. Then circle if the equation is true or false.

Core Standard: 3.NBT.A.2