Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

Kids help Olga the Octopus on this second grade math worksheet by solving subtraction problems with two-digit numbers using regrouping.

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

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

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

Explore properties of operations while writing addition equations in this second-grade math worksheet!

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

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

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

Help your math ninja with his addition and target practice. He can practice two-digit addition and carrying (also called regrouping) with this worksheet!

Hurry! If these numbers aren't added quickly using regrouping, they'll pop!

Make two-digit addition easier with this inviting worksheet!

Children practice writing numbers from expanded forms, and expanded forms from numbers.

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

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