Ninjas can be very mysterious and secretive. Solve the riddle with some addition to unlock one of their secrets!

Combine addition plus carrying with a charming coloring activity, and your second grader will actually ask for more math!

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

Once your second grader finishes rewriting and solving these challenging double-digit addition problems, they'll get an entertaining reward!

Featuring word problems all about shopping and money, this worksheet is a great way to practice 3-digit addition.

Does your second grader need some help with the nuts and bolts of addition? Mark the Mechanic does, too!

Children develop their logic and reasoning skills as they answer a series of five word problems in this math worksheet.

Children develop their logic and reasoning skills as they answer a series of five word problems in this math worksheet.

Give your kid practice deciding when to use addition and when to use subtraction with this word problem mix-up.

Improve your fourth grader's math addition skills and have him complete a fun coloring activity using one simple worksheet.

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

Watch your second grader's mental math ability and understanding of addition with carrying improve with this adorable double-digit worksheet!

Work on addition while finding sums of 100 using a deck of playing cards and this first grade math worksheet.

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

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

Second graders hone their double-digit addition skills and carrying know-how as they complete this 12-problem math worksheet.

Your second grader and his handy addition skills are needed! Can he help Ralph keep track of his hollyhock's growth?

This charming worksheet--with an additional coloring activity--asks your second grader to rewrite and solve eight double-digit addition problems.

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

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

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Ask your second grader to help out Ken the Carpenter, and his double-digit addition skills will get a boost, too!

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

Test your child's strength in double-digit subtraction and addition with this ninja worksheet. Challenge his abilities with these tricky word problems!

This second grade math worksheet offers practice in two-digit addition with carrying and comes adorned with wacky purple polka-dotted aliens.

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

In this 3rd grade math worksheet, kids analyze and compare data in two pictographs in order to answer a set of word problems.

Students draw ten and one dollar bills for practice adding multiples of ten to two-digit numbers in this money math worksheet.

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