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! 

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.'

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

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.

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.

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.

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.

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!

In this cheerful activity, enjoy the snowy weather without getting cold!

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!

This delicious treat is color coded with different equations that your child can practice solving as he colors the layers of this delicious ice cream cone.

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.

Secret codes beat boring basic math practice any day! Your child can use his addition skills to discover the mystery location of this worksheet.