In this addition and subtraction worksheet, children will provide the missing numbers to balance ten expressions.

This activity will help students reflect on the many potential combinations for a number as they work on identifying a missing part of a whole using dots and a word bank.

Practice finding missing numbers while adding within 20 using ten frames!

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.

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.

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 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.

Use your addition expertise to find the missing digits in each equation with this second- and third-grade worksheet!

Test your addition knowledge in this charming worksheet!

Gain expertise with addition sentences within 20 in this helpful math worksheet!

Students will identify what’s missing as they practice adding within 10 to find the missing numbers on each number bond.

Switch up your addition practice with this engaging first-grade worksheet!

Explore finding missing starting numbers in addition equations with this engaging hundred-chart worksheet!

These equations have lost their signs! Only one sign — plus or minus — can make each equation true.

Kids love it when things are fair! Help students make equal groups of toys while exploring how the equals sign means “the same as.” Students will draw the missing objects and write the missing factors to balance the equations.

Students will practice adding within five as they identify the missing number on each whale number bond!

Test your addition skills with this hands-on math worksheet!

One more and one less. Your students will practice adding in the missing numbers on this worksheet.

Try using the associative property in this fill-in-the-blank worksheet!

Students will practice adding within five as they identify the missing number on each tree number bond and equation!

Test your addition skills with this helpful hundred chart worksheet!

First and second graders will LOVE finding the missing numbers in this adorable Valentine’s Day math puzzle!

Your can experiment with addition facts here in the math lab. Can he write the missing addition symbols and complete the problems?

These scales need balancing! By filling in missing addends, this worksheet helps students understand how an equals sign means “the same as.”

Have a ball with this addition and subtraction worksheet! Kids fill in the missing numbers on each beach ball to make its statement true.

Practice counting up using this fall-themed worksheet. Students will have fun figuring out the missing numbers that belong on each pumpkin.