Crack the code of the missing starting number with this investigative subtraction worksheet!

Decode the secret message Ninja Aki has sent you! He writes his messages in addition and subtraction problems. Solve and unravel his secret ninja message!

Have your first and second graders try to crack the code and solve the puzzle, one number box at a time!

Each Christmas gift in this math and coloring worksheet contains an addition or subtraction problem that helps your child crack the color 'code.'

Can you decode the secret message hidden in these addition problems?

Looking for a fun math worksheet? This multi-step printable challenges your child to match shapes to their description to crack a secret code!

Kids can practice two-digit addition, then crack a word puzzle using their answers in this 2nd grade math worksheet.

Keep your child busy on snowy days with this winter-themed 2nd grade math worksheet. They'll practice two-digit addition, then crack a word puzzle at the end.

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.

Can your kid solve these multiple-step word problems by using a number line? Let her take a crack at it and see how well she does!

Use math to solve an international mystery! Where in the world is the super secret location?

Help Santa color his gifts. With some math know-how and a few festive crayons, your child just might save Christmas.

Sail smoothly through addition practice with this hundred chart worksheet for first and second graders!

First and second graders will have snow much fun with this winter-themed puzzle worksheet!

Where in the world is the mysterious location this time? Solve the addition problems to decipher the secret city, country and continent!

See subtraction success with a fun practice sheet! Beginners will review basic subtraction facts as they unlock a hidden fun fact at the bottom of the page.

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

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

Ready for another round of where in the world? Be an international math detective as you solve addition problems to discover the secret location!

While your second grader may not learn super-human abilities with this fun worksheet, he may gain exceptional addition skills!

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!

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

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

Practice is the best medicine for a second grader struggling with two-digit addition. This fun worksheet's sure to help him out!

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

Mix music and math with this marvelous worksheet for second, third, and fourth graders!

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