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

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

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

Practice addition under 20 with visual models in this useful math worksheet!

Learn about the commutative property with this beach-themed worksheet!

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

Learn how the commutative property works with this colorful worksheet!

Practice a vital addition skill with this bright, summery worksheet!

Learn a new addition strategy in this essential worksheet!

Master addition with ten frames in this colorful worksheet!

Your students will need their addition facts and a bit of logic to solve this KenKen® math puzzle.

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

Get more practice adding multiples of 10 on an open number line with this colorful worksheet!

Practice finding missing numbers while adding within 20 using ten frames!

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

Practice adding doubles with this colorful 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!

Focus on fact fluency within 10 in this colorful addition worksheet!

Make your way to ten with this engaging addition worksheet!

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

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

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

Get more practice adding multiples of 10 on an open number line with this vibrant worksheet!