Each ten frame has ten boxes. Some boxes have red chips and others don't. If the top half of the ten frame is filled with red chips, how many are left? 10-5=5.

Practice addition with your second grader, a math worksheet, and a deck of playing cards.

Math practice doesn't have to be scary! These Halloween word problems are a frighteningly fun way to practice addition and 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!

Practice two digit addition and subtraction down on the farm with these challenging word problems.

Use math to solve an international mystery! Where in the world is the super secret location?

Where in the world is the mysterious location this time? Solve the addition problems to decipher the secret city, country and continent!

Your child will develop the skills necessary to recognize patterns by completing inverse operations as well make a connection between addition and subtraction.

Subtract numbers within 20 using ten frames with this first-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.

Learn a new strategy for solving subtraction in this helpful math worksheet!

Add some sweet subtraction practice to the holiday season with this second-grade worksheet!

Lengthen your learners' addition and subtraction skills using number line models and real-world scenarios!

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

Search for numbers in a hundred chart with this helpful first-grade worksheet! 

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

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.

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.

Practice addition and subtraction with this first-grade hundred chart worksheet!

Learn to subtract tens with a visual model in this first-grade worksheet!

Learn to navigate a hundred chart with this first-grade 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 get an intro to basic algebra by practicing reverse addition and subtraction to find the missing numbers in this challenging 2nd grade math worksheet.

Master multi-digit subtraction with this informative third-grade math worksheet!