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

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

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

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

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

Carrying over takes a bit of practice. Give your second grade mathematician a boost with these practice problems.

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

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

In this 3rd grade math worksheet, kids analyze and compare data in two pictographs in order to answer a set of word problems.

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.

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

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

Practice addition with your second grader, a math worksheet, and a deck of playing cards.

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

Improve your fourth grader's math addition skills and have him complete a fun coloring activity using one simple worksheet.

Create models of addition problems with this compensation worksheet 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!

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

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

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.

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

Is your second grader ready to step up her carrying skills? This intermediate worksheet will test her powers of addition!

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

Did you know that multiplying a number by two is the same thing as adding that number to itself? Use this trick in this lovely math worksheet.