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

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

Practice two-and three-digit subtraction in this set of school-themed word problems!

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

This simple worksheet is packed with two-digit and three-digit subtraction problems.

This resource gives your learners practice solving multi-step word problems with mixed operations. They will use addition, subtraction, or both operations.

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.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

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

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

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

The game requires players to solve two-step, mixed operation word problems during their turn. Similar to Connect Four, each solved problem earns the player an X or O.

Practice place value, rounding and addition, all in one worksheet! Your child will learn to add up estimated sums quickly in his head.

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

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

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

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

Practice using place value to solve addition problems with this math worksheet!

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

Put a little silliness into math practice with these April Fools' Day word problems!

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

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

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

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

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

Let your child get in some extra addition practice with this worksheet perfect for carrying beginners.

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

Kids will practice predicting what comes next while further developing the skills needed for multiplication.