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.

Learn how the commutative property works with this colorful worksheet!

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!

Challenge your second grader to complete this double-digit addition worksheet--along with the rest of the set--and watch their addition struggles disappear.

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

Learn to use the commutative property with three-addend addition expressions!

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

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word 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!

It's the Winter Olympics, and two skiers are racing down the mountain. Get your kid to find out who wins with our combination math and color-by-number activity.

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 dominoes to play a fun game of comparison. Encourage your child to practice identifying what numbers are greater than, less than, or equal to others.

This worksheet will help your kindergarten students practice identifying and writing each part of an addition equation.

If your preschooler or kindergartener has an eye for style, this worksheet will help get them adding. Have them count the total number of hats when presented with two groups of hats.

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

This activity will help students reflect on the many potential combinations for a number as they work on identifying a missing part of a whole using dots and a word bank.

In the Halloween Hundreds Chart Game, players try to get to the jack-o’-lantern, or 100, faster than their opponent. In this addition worksheet, students will use the game boards of two fictional players to answer questions and write number sentences.