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

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.

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!

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

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

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.

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

Test your skills with addition in this essential compensation worksheet!

Test your talent in two-digit addition with this colorful math worksheet!

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

Count up the shapes to solve each multiplication equation! This worksheet is a great way to help a visual learner nail down the concept of multiplication.

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

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

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

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

Jump forward and backward on a number line to solve addition problems in this engaging worksheet!

Use a visual model to solve these two-digit addition problems!

Make two-digit addition easier with this inviting worksheet!

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

Master two-digit addition with these hundred chart problems!