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.

Complete the number sentence by counting left and right on a number line. Can your child find all the missing numbers?

One way to find the missing number in an equation is to use a number line. Your kid will do just that in this set of addition problems.

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.

Test your addition knowledge in this charming worksheet!

Gain expertise with addition sentences within 20 in this helpful math 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.

Your child will practice subtraction, by using inverse operations. Find the missing numbers to solve the subtraction problems.

Children complete an addition chart, then fill in missing addends and sums in this useful practice worksheet.

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

Oh no! This toucan is missing his beak. Help finish this picture by skip-counting by seven to connect the dots.

Put your child's knowledge of parallelograms to the test. He'll build geometry skills by figuring out the missing angles of these parallelograms.

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.

These Christmas presents are missing some color! Challenge your second grader to review addition and subtraction facts by solving the equations in these gifts.

It’s time to learn more about the equals sign! By filling in missing factors, students learn how the equals sign means “the same as.”

These Christmas presents are missing some color! Challenge your child to review her addition and subtraction math facts by solving the equations in these gifts.

Can your second grader dig a little deeper into number comparisons? Have her find the missing number that makes each "greater than" equation true.

Kids add, subtract, or use math facts they have committed to memory to fill in the missing numbers in the fact families on this second grade math worksheet.

Here's one way to reinforce addition facts and basic math vocabulary. Your child can add up the numbers and fill in missing signs in these addition problems.