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

Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Practice three-digit addition using open number lines with this second-grade math worksheet!

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

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

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

Bolster your third grader's addition skills with at-home practice in three-digit addition.

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

Use place value to add three-digit numbers with this second-grade worksheet!

This colorful printable--complete with a lovable three-eyed monster--will help your second grader master double-digit addition with carrying!

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

Your second grader will finally want to practice at-home addition when it involves super heroes and extraordinary powers!

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.

As these friendly insects provide some creature companionship, your second grader will learn to add and carry over remainders in multi-digit problems!

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

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

Is your second grader struggling with two-digit addition? This super hero worksheet should motivate him to practice math!

Two-digit addition troubling your second grader? The only way to get the concept down is practice, practice ... and more practice!

Has your second grader ever wanted to play super hero? Let him do just that with this two-digit addition worksheet.

Give your second grader's two-digit addition skills some practice time with a worksheet that's heavy on learning--and fun!

Spark your second grader's interest in practicing math with a two-digit addition worksheet--complete with a super hero and his special power!

Give your second grader a helping hand with two-digit addition with an addition worksheet with a fun, super hero theme.

This fun worksheet is sure to motivate your second grader to practice two-digit addition, and it's great for mental math, too!

Give your second grader's two-digit addition skills a healthy work out with a worksheet that's heavy on learning--and fun!

Solving these two-digit addition problems will lead your second grader to discovering the true name of this mystery super hero!

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