Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

To figure out the name of the mystery super hero, your child simply needs to answer a page full of two-digit addition problems!

To determine this hero's mystery code name, your second grader needs to find the answers to this page full of two-digit addition problems.

To bulk up your second grader's addition knowledge, give him this colorful two-digit addition worksheet--complete with a fun, super hero theme.

Children add 10 or 1 to move through the hundreds chart to get to 100 in this fun addition worksheet.

Challenge your second grader to solve a page full of two-digit addition. She'll develop stronger math skills and a greater appreciation for super heroes!

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

Is your second grader having trouble with two-digit addition? Get her excited about math with this entertaining worksheet that has a fun, super hero theme!

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

Do your students know how to solve word problems without a given operation? This mixed operation assessment can help you gauge student understanding of two-digit subtraction and addition word problems.

Looking for a way to boost your second grader's two-digit addition skills that's not a total bore? We've got the answer for you: a super hero-themed worksheet!

Featuring a word puzzle at the end, this 2nd grade math worksheet makes two-digit addition new and exciting!

Sharpen your single-digit addition skills with this helpful first- and second-grade worksheet!

Practice adding multi-digit numbers in this second- and third-grade worksheet!

Hone your two-digit addition skills in this essential worksheet!

Add multi-digit numbers with ease in this colorful second-grade math worksheet!

Don’t let two-digit addition intimidate you; instead, use compensation to make friendly tens!

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.

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

This second grade worksheet is two activities in one, offering two-digit addition practice and coloring, too!

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

Send your second grader on an underwater double-digit addition challenge!

Double-digit addition problems are fun to solve in this second grade math worksheet that doubles as a coloring page. Don't forget to carry that one!

Master two-digit addition with the help of place value charts!