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

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

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students' math level at the beginning of third grade.

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

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

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! 

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

Use your addition expertise to find the missing digits in each equation with this second- and third-grade worksheet!

Kids use details from the word problems on this third grade math worksheet to construct and solve addition problems with two or three two-digit addends.

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

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! 

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!

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

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! 

Get ready for some magic math with this exciting worksheet!