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.

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.

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.

Give your child practice with his math skills with this first grade worksheet, which is all about addition.

Help your first grader practice math with this fun printable worksheet, which is all about addition.

Give your child doubles addition practice within 10 with this fun matching worksheet!

Learn how to use doubles facts to solve other addition problems!

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

Use problem solving and critical thinking skills to find different sums in these puzzles.

Find the mystery number in this intro-to-algebra worksheet that practice places value.

Find plums and sums as you solve addition facts in this first-grade worksheet!

This addition puzzle is a great math challenge. Experiment with the number combinations to find the requested sums.

With this first grade math worksheet, kids count and add bananas to find sums up to 9.

Practice addition from a different approach with these number stories. Find the addition equation in each word problem.

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

Looking to test your kid's addition and subtraction skills? Ask him to help this elf find the correct answer to each problem.

This simple worksheet lets your child practice single digit addition to find the sums that equal the number above each orange.

Math search puzzles are a fun and clever way of helping kids review math facts. Print 'em out and see how many your kid can find!

Practice some merry math with these Christmas-themed word problems. Kids will use math skills to find the correct number of wreaths, carolers, and chocolates.

Make one big jump, then make little jumps to find the answer. Your child will practice his addition skills by counting the numbers on the number line.

Challenge your child to add three, four, and five numbers together. He may find the task daunting, but there's a trick to add multiple numbers that will help!

Solve math problems, and eat chocolate, in a Valentine's Day mental math worksheet. Kids will find solutions to math problems, and color chocolates by number.

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