Kids practice finding the hidden number sentences that make up a fact family. See how many you can find!

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

Combine your math and geography skills to find the hidden location! Solve the addition problems and use the number key to discover the super secret location!

Can you find the equations hidden in these number stories? Have your little math sleuth write out each subtraction problem to go with the word problem.

Math isn't just all about numbers! Read these story problems and find the equation hidden in them, and use the picture to help you count up your answers.

Kids practice reverse addition and subtraction to find the missing numbers in this fun 2nd grade math worksheet.

Kids practice reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Kids practice reverse two-digit addition and subtraction to find the missing numbers in this 2nd grade math worksheet.

Introduce your child to basic algebra with this 2nd grade math worksheet. Kids practice reverse addition or subtraction to find the missing numbers.

Kids get an intro to basic algebra by practicing reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Introduce your child to basic algebra with this 2nd grade math worksheet in which he'll practice reverse addition and subtraction to find the missing numbers.

Kids try their hand at reverse addition and subtraction in order to find the numbers missing from each equation in this 2nd grade math worksheet.

Celebrate the United States’ independence while you strengthen your subtraction skills in this engaging worksheet!

Kids get a taste of basic algebra in this 2nd grade math worksheet. Kids flip the equations and reverse the operations in order to find the missing number.

Your child will exercise his searching skills by finding the fact families with numbers 25-50 hidden within the puzzle game.

Gather the fact family equations hidden in the puzzle to complete the fact family. Finish with an organized written report of your findings.

This first grade subtraction worksheet will help improve your child's math skills, while giving him a fun riddle to solve.

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.

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

Show off your skills with subtraction strategies in this helpful worksheet!

Your child will enjoy cutting and pasting while solving problems to fill in the missing information.

Find the missing digits in the following problems!

Find the facts within the number triangles in this engaging subtraction worksheet!

Use addition and subtraction to find the correct path through the puzzle.

In this math exercise, have your students find the difference by using regrouping.

In this worksheet, first graders are challenged to complete each subtraction equation by working backwards!

Practice using ten frames to find missing numbers with this friendly subtraction worksheet!

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