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

Practice adding doubles with this colorful worksheet!

Use this visual model to practice adding 10 to two-digit numbers!

Learn how to use doubles facts to solve other addition problems!

Practice multi-digit addition with this hundred chart worksheet for second graders! 

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

Test your addition skills with this helpful hundred chart worksheet!

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

Start your engines and rush toward the finish line in this engaging addition worksheet!

Sharpen second graders' hundred chart know-how with this addition worksheet!

Practice solving near-doubles facts with this engaging worksheet!

Practice addition and subtraction within 10 in this St. Patrick's Day-themed math puzzle!

Learners practice addition and subtraction within 20 in this St. Patrick's Day-themed math puzzle!

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

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

Solve addition problems using the near-doubles method with this helpful worksheet!

Try solving near-doubles facts with these nine problems!

Solve near-doubles facts with this appealing worksheet!

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

Strengthen first and second graders' single-digit addition skills with this hands-on worksheet!

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

Test your addition skills with this hands-on math worksheet!