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

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

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

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.

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

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

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

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.

Put your addition skills to the test with these puzzle boxes for second and third graders!

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.

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

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

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

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

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

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

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! 

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

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

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math worksheet.

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!

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.