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.

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!

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

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

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.

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.

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.

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!

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.

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.

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

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.

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