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

Find the number of butterflies, flowers, rainbows, and watering cans in your garden with this spring-themed math worksheet for first graders! 

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.

Can you tell the difference between the associative, commutative, and identity properties?

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.

Comb the beach for hats, starfish, pineapples, and seashells in this first-grade math worksheet! 

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

Search for acorns, mugs, pumpkins, and mushrooms with this fall-themed addition worksheet for first graders!

The fun quickly adds up with this winter-themed addition activity page for first graders!

Practice counting and addition skills with this early elementary math worksheet featuring a colorful travel theme!

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

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

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

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

Test your addition skills with this helpful hundred chart worksheet!

Find friends in trusty tens with this colorful addition worksheet!

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

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.

Practice using repeated addition to find the total number of objects in equal groups.

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