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

In this worksheet, students use the hundreds chart to crack the code and find the hidden treasure.

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

These sneaky snakes are hiding, but your kindergartener can crack the code to color them in and reveal their patterns.

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!

Become a math detective with this inviting first-grade worksheet!

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?

Kids solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

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 solve addition and subtraction problems with one- and two-digit numbers to crack the code and find the mystery word on this first grade math worksheet.

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

Help Jane the Hen find her lost eggs by taking a crack at these addition problems.

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.

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

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!

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

Color the shapes in this spooky cemetery scene! Kids will practice identifying basic shapes and classifying them using the color code at the top of the page.

What makes a polygon? Get your child in gear for geometry with this shape-shifting worksheet! Color code these shapes to show which ones are polygons.

Greetings, stellar students! Here is a math mission that your child will enjoy: color code all the different shapes to help the alien complete his task.

This outer space visitor needs help finding shapes! Can your child help? He'll need to identify and color code all the different shapes in the worksheet.

Send your child on a math mission to find shapes! He'll get to color code the different shapes he sees, building his fine motor skills.

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.