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.

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.'

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.

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.

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.

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.

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!

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!

Here's a math sheet that also involves coloring! Challenge your child to identify the shapes in this worksheet by color coding them.

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.

Are you ready for a math mission? In this shapes worksheet, your child will help this alien collect shapes! He'll identify the shapes by color coding them.

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.