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

Take a daring dive into divison as you help a dragon crack the code! 

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.'

Kids solve multiplication problems to crack the code and find the egg-laying mystery mammal on this third grade math worksheet.

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!

Use your addition and decoding skills to solve eight problems in this fun math puzzle!

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

Your child can be a code breaker and practice her multiplication skills. Multiply three-digit numbers on this coded math worksheet, and help a math ninja out!

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.

Practice the concept of perfect squares with this fun worksheet. To uncover the code your child will need to determine if each number is a perfect square.

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.

Create a masterpiece as you solve multiplication and division problems with this third-grade worksheet!

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!

Subtract the numbers to find the difference, then color code the answer for odd or even.

Secret codes and ninjas make everything more interesting, including subtracting 4-digit numbers!

Practice dividing by two-digit numbers just got a lot more interesting thanks to secret codes and Ninja Aki.

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!

Find out a fascinating animal fun fact as you develop your division skills!

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

Find what is hidden in this color by number worksheet! Color-coding answers can help your child practice and memorize division facts and practice creativity.

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!

Pal around with some pets as you use your multiplication skills to solve the mystery word puzzle.