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.

Practice the properties of addition with this colorful worksheet for third graders!

Challenge your third grader to figure out the addition and subtraction patterns on this worksheet.

By breaking down numbers, your third graders will learn to do fast addition!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Mix music and math with this marvelous worksheet for second, third, and fourth graders!

Create models of addition problems with this compensation worksheet for second and third graders!

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.

Practice adding two-digit numbers with this compensation worksheet for second and third graders!

Third graders can practice addition and engage in a coloring activity in one simple worksheet.

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

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

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!

Kids solve addition problems with two-digit addends using regrouping on this third grade math 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!

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! 

The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

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

Multi-digit addition can be tricky. Teach your third graders fast addition and they will be on their way to mastering this concept.

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

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.

Kids complete each equation on this third grade math worksheet by determining whether an equation is addition or subtraction and writing in the correct sign.