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

Kids solve addition problems with two-digit addends using regrouping on this third grade math worksheet.

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

Explore finding missing starting numbers in addition equations with this engaging hundred-chart worksheet!

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

Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!

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!

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

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

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!

Shape up your addition skills with these square puzzles!

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

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

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

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Let’s chart a calculated course with this engaging second-grade addition activity!

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

Ignite problem-solving prowess in your young math learners with this fun Easter puzzle worksheet!

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

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

Climb toward the sum by making tens in this helpful addition worksheet!

Test your addition skills with this helpful hundred chart worksheet!