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

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

Sharpen first graders’ subtraction skills with this colorful ten frames matching worksheet!

This expanded form worksheet gets your child to break down numbers by ones and tens. This expanded form worksheet is an easy introduction to place value.

In this worksheet, first graders are challenged to complete each subtraction equation by working backwards!

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?

Pair up problems and models in this first-grade subtraction worksheet!

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.

Hexagons make for funny faces! Help your students develop an understanding of this 2-D shape by differentiating them from other shapes and then turning them into silly hexagonal faces.

Hone your subtraction skills with this bright, inviting worksheet!

Master subtracting from 10 with this helpful worksheet!

Take subtraction practice one step further with this number-bond worksheet!

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.

In this Halloween Hundreds Chart Game, students use addition and subtraction as they move up and down the chart based on the roll of two dice. The first player to 100 wins the game!

Try using the associative property in this fill-in-the-blank worksheet!

Have your students put their knowledge of shapes and division to the test with this quick math assessment. This activity will assess your first graders’ abilities to divide various 2-D shapes into equal shares.

Practice subtraction within 10 using number bonds with this tropical worksheet!

Continue to build subtraction skills with this number-bond worksheet!

Build up your addition skills in this model-making addition worksheet!

Pentagons make for perfect houses! Help students to identify and develop an understanding of this 2-D shape with this fun activity. Students will sort out the pentagons from other shapes and then turn them into houses.

If a shape can be folded in half so that the two halves match exactly, it’s symmetrical. Use this fun activity to help your students develop their understanding of symmetry by creating their own silly symmetrical animals!

Add and subtract using ghosts, pumpkins, and more with this Halloween worksheet for first graders!