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

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

Children complete an addition chart, then fill in missing addends and sums in this useful practice worksheet.

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

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

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

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

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!

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

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

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

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.

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

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

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

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.

Packed with time word problems, this worksheet helps kids learn how to convert hours to minutes and minutes to hours.

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

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

Children learn to identify and convert Roman numerals in this introductory worksheet.

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