Number bonds are a great way for your kids to explore the relationship between addition and subtraction. By filling in the missing numbers, students get experience with fact families.

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Learn to navigate a hundred chart with this first-grade worksheet!

Complete autumnal number bonds in this kindergarten and first-grade worksheet!

Try your luck at adding doubles with this colorful first-grade worksheet!

Practice adding one to numbers within 10 with this first-grade addition worksheet!

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

Make early addition click with this engaging hundred chart worksheet designed for first-grade learners!

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

Practice addition within 100 using open number lines with this first-grade math worksheet!

Students use open number lines to help them write addition equations in this first-grade practice worksheet!

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

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

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.

Your students have been plugging away at their math skills all year. Now it's time to put those skills to the test! Use this math assessment to check in on your students’ abilities to add 10 to two-digit numbers.

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

Help first and second graders practice solving near-doubles facts using this fun worksheet!

Jump into addition with this hundred chart worksheet for first and second graders! 

Strengthen first and second graders' single-digit addition skills with this hands-on worksheet!

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

Discover combinations that make 10 with this engaging cut-and-paste worksheet, designed for first and second graders!

Time for school! Have your first grader take a look at this school (school of fish, that is) and solve the addition problems.

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

Enjoy an egg-cellent Easter review of addition facts! Hunt for a solution in each colorful egg, with simple addition problems for your first grader to solve.

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!

Practice addition within 10 with this Halloween math workheet!

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!