3rd Grade Addition and Subtraction Worksheets

Addition Worksheets

This is a collection of all our addition worksheets. Save tons of time using this packet. It's great for homework, math centers, and sub-plans, and general practice. 

What You'll Get

You will receive several printable files. These are 2-page files with worksheets and answer keys. They are organized into folders for easy access. Just pick a worksheet, print and you're ready to go. 

There are 12 types in all. Each exam type is further grouped by the number of digits of the addends. There are 15 worksheets in each group. In all, you got hundreds of worksheets for choose from.

  • 1 digit + 1 digit – Ideal for mental math
  • 1 digit + 2 digits 
  • 2 digits + 2 digits 
  • 2 digits + 3 digits 
  • 3 digits + 3 digits 
  • 3 digits + 4 digits

1. Find the Sum.

The addends are aligned vertically so that students would perform addition directly on the worksheet. 

2. Add the numbers and write their sum on the box provided.

Kids may need to use a separate (scratch) paper to perform addition.

3. Add the Numbers, Show solution.

Students are required to rewrite and align the addends and then perform addition.

4. Color the correct answer (2 choices)

Choices are given for each item, and the kids are asked to color the correct answer.

5. Color the correct answer (3 choices)

Choices are given for each item, and the kids are asked to color the correct answer (3 choices).

6. Choose the Correct Answer from a List.

Write the letter of the correct answer in the space provided.

7. Match two Columns.

Match the addends on the left column to the sum on the right column. 

8. Find the Missing Addend.

Students are to supply the missing addend to complete the equation.

9. Find the Missing Added or Sum.

Kids need to fill in the blanks to complete the equation.

10. Adding 3 Numbers.

Given numbers are aligned. Students just need to perform addition.

11. Adding 3 Numbers.

Students need to rewrite and align the three numbers and then perform addition.

12. Add 3 numbers, 2 sums.

Kids would need to add the first two numbers, and then add the result to the third number. 

We bundled this with other products so you can get discounts. Just click any of the bundles below for more details.