Bolster your third grader's addition skills with at-home practice in three-digit addition.

This simple worksheet is packed with two-digit and three-digit subtraction problems.

Practice three-digit addition with regrouping in this set of 36 problems.

Give students practice adding three-digit numbers within 1,000! 

Improve those skills! Practice three-digit addition with these twelve problems.

Practice using place value to solve addition problems with this math worksheet!

Put a little silliness into math practice with these April Fools' Day word problems!

Math learners solve sports-themed addition and subtraction problems in this practice worksheet.

Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

Add a fun twist to math practice with these second- and third-grade addition puzzles!

Practice adding with this third grade addition worksheet. Your child will hone his addition skills.

Packed with addition problems requiring regrouping, this worksheet is a perfect way to practice addition with carrying.

Addition doesn't have to be puzzling—practice finding sums with these puzzle boxes!

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Use this Arctic-themed resource with your students to practice multi-step word problems with mixed operations.

Use this winter-themed resource with your students to practice multi-step word problems with mixed operations.

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

Addition doesn't have to be puzzling—practice finding sums with these second- and third-grade puzzle boxes!

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Sharpen your mental math skills with this second- and third-grade compensation worksheet! 

Put your addition skills to the test with these puzzle boxes for second and third graders!

Put your addition skills to the test with these puzzle boxes for second and third graders! 

Test your talent in two-digit addition with this colorful math worksheet!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Can your little math whiz add up sums quickly in his head? Teach him to estimate before adding, a great skill to put to use in everyday life!

Put your addition skills to the test with these puzzle boxes for second and third graders!

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!