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

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

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

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

Want to bulk up your second grader's two-digit addition skills? This super hero-themed worksheet will do the trick!

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

Give a kick to addition! Your little math ninja can practice two-digit addition and carrying (also called regrouping) with this worksheet!

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

Kids solve addition problems with two-digit addends to move from ice chunk to ice chunk and help Polly get to her cub on this second grade math worksheet.

This colorful worksheet allows you to combine your second grader's love of art with at-home addition practice with adding double-digits!

Keep your second grader entertained--and teach her two-digit addition skills at the same time--with this super hero-themed worksheet.

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

After kids solve the two-digit addition and subtraction problems on this second grade math worksheet, they use the key to color in the shapes on the mosaic.

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Two-digit addition got your second grader down? Liven up math practice with this extraordinary worksheet.

Is addition with regrouping giving your child trouble? Addition problems are fun to solve in this monster-filled worksheet that doubles as a coloring page!

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

Once your child masters addition with carrying, there's practically no number too big for her to add!

Does your second grader need a math boost? Help her get a grip on her two-digit addition skills--and a super power--with this dynamic 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!

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

Help your second grader strengthen her two-digit addition skills ... and pretend she's a super hero at the same time!

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

Can your child flex addition skills to solve these ninja riddles? Help her master double-digit addition with practice. Fine more ninja riddles and math here!

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

This "beadtastic" addition worksheet will get your first grader practicing double-digit addition and thinking about some of the real world uses for math!

Guide your second grader through this fun, two-digit addition worksheet to boost her mental math skills.

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

This math fluency checklist is a great tool that can be used to encourage students to use different strategies to solve math problems efficiently and accurately.