This worksheet is raining cats and dogs! Can you add them all up correctly? Help your beginning mathematician solve these simple equations.

Learn a new addition strategy in this essential worksheet!

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

Learn your doubles facts with dominoes in this simple addition worksheet!

Learn to break apart numbers and form 10 in this helpful addition worksheet!

Learn to make ten by using ten frames with this first-grade worksheet!

Learn a new addition strategy using ten frames in this first-grade math worksheet!

Use the mat to give students extra practice composing a 10 as they learn to add to 20.

Who knew math could be as fun as fishing? This great "Fishing for Answers" series will help your child learn her addition and subtraction facts.

Students learn to decompose numbers through this fun activity. After being given a number, young mathematicians come up with their own way to decompose the number into two different numbers.

This worksheet takes your child a step farther than one-digit addition. As he completes the page, he'll learn to add a two-digit number to a one-digit number.

Use this visual model to practice adding 10 to two-digit numbers!

This hundred chart worksheet makes adding ten easy!

Single-digit addition is a leap away using number lines like the ones on this worksheet.

Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!

Practice those doubles facts up to 12 with this fun dice-themed addition worksheet!

Solve addition problems using the near-doubles method with this helpful worksheet!

Practice adding doubles with this colorful worksheet!

Help first graders visualize the commutative property of addition with this number line worksheet!

Don’t be spooked by spiders or number bonds in this friendly math worksheet!

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

Make addition practice sweet with this charming candy-themed worksheet!

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

It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Make math fun with this doubles facts maze! 

Practice adding doubles facts with this engaging worksheet!

Cut and paste your way to doubles fact mastery with this fun math activity!

Master the math of making 10 and 20 with two addends in this helpful addition worksheet!

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