Use this number line as a tool to practice adding and subtracting within 20.

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 colorful worksheet!

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

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

Make your way to ten with this engaging addition worksheet!

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

Start your engines and rush toward the finish line in this engaging addition worksheet!

Practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

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

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

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

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

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

Help the frog catch the fly! This entertaining math game will have you students practice adding and subtracting within 20 on a number line.

It’s time to learn more about the equals sign! By filling in missing factors, students learn how the equals sign means “the same as.”

Learn a new addition strategy in this essential worksheet!

Learn how the commutative property works with this colorful worksheet!

Learn the associative property of addition with this inviting worksheet!

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

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

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

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!

Have your child work backwards to solve addition problems and learn more about the additive inverse.