The decomposing and composing subtraction strategy can be a handy tool for tough three-digit numbers. Use this worksheet to give your students the practice they need to nail down the concept.

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

This addition worksheet teaches your kid how to read a thermometer and measure temperature, two vital skills that everybody should master.

Dive into addition within 10 with this fun cut-and-paste math worksheet!

Represent ones and tens with crayons in this fun worksheet.

Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Get more practice with addition facts within 20 with this colorful kindergarten math worksheet!

Get more practice writing addition equations within 20 with this inviting and accessible math worksheet!

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

Practice representing 10 using ten frames in this kindergarten addition worksheet!

Can you decode the secret message hidden in these addition problems?

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?

Enhance your learners' addition and subtraction skills using number line models and real-world scenarios!

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.

Use your addition expertise to find the missing digits in each equation with this second- and third-grade worksheet!

Use open number lines to practice addition within 100 with this colorful math worksheet!

Practice adding tens on an open number line with this first-grade math worksheet!

Practice adding tens with a visual model in this helpful worksheet!

Get even more practice adding tens on an open number line with this first-grade math worksheet!

Draw a picture in a hundred chart in this engaging second-grade worksheet!

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

Take a big leap forward with your math skills as you practice addition in this cheerful, inviting worksheet!

Dive into compensation with the help of trusty tens in this inviting worksheet!

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

Explore properties of operations while writing addition equations in this second-grade math worksheet!

Boost your addition skills with this hundred chart worksheet for first and second graders! 

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