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.

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!

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 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.

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!

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.

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

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.

Looking for a worksheet to help your child with his math skills? This coloring printable will give him practice with simple subtraction.

Ready for another round of where in the world? Be an international math detective as you solve addition problems to discover the secret location!

What kind of music do stones listen to? Solve these four-digit subtraction problems to find out.

Help your child with his math skills with this printable worksheet, which will give him practice with simple subtraction.