Kids use two-digit addition to solve a handful of word problems.

The triathlon is a fascinating sporting event, and a great opportunity to learn about addition and comparison.

Rewriting each addition problem and solving using carrying will provide your second grader with valuable double-digit addition practice!

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

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!

These two-digit addition problems are ready for your second grader to solve.

Challenge your second grader to complete this double-digit addition worksheet--along with the rest of the set--and watch their addition struggles disappear.

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

Has your little mathematician mastered double-digit addition...and subtraction? Put her mathematical prowess to the test with this worksheet duo.

Shape up your addition skills with these square puzzles!

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

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

Will your second grader practice their addition with carrying and help these beautiful butterflies with their math?

Get your first grader's addition skills on track with this adorable double-digit addition worksheet!

This addition worksheet teaches your kid how to read a thermometer and measure temperature, two vital skills that everybody should master.

Your second grader will slide through these two digit addition problems with Sally the Snail!

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

Master your addition facts with this colorful, inviting math worksheet!

Buzz through some two-digit addition problems with your second grader!

Add a fun twist to math practice with these second- and third-grade addition puzzles!

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

Children complete an addition chart, then fill in missing addends and sums in this useful practice 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!

Learners will enjoy stacking and adding two-digit numbers with this appealing practice worksheet.

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

Addition doesn't have to be puzzling—practice finding sums with these puzzle boxes!

This addition puzzle is a great math challenge. Experiment with the number combinations to find the requested sums.

This colorful addition worksheet may be finger puppet-themed, but with enough addition practice, your first grader won't be counting fingers!