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

Test your addition skills with this helpful hundred chart worksheet!

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

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

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

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

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!

Learners solve 12 three- and four-digit problems as they work on their multidigit addition skills.

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

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

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

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

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

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.

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

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

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

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

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

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.