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!

Jump forward and backward on a number line to solve addition problems in this engaging 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!

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

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

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

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

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

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

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

Practice three-digit addition using open number lines with this second-grade math 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!

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

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Get even more practice performing three-digit addition using open number lines with this second-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!

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

Make your way to ten with this engaging addition worksheet!

Find the mystery number in this intro-to-algebra worksheet that practice places value.

Hop, skip, and jump using compensation in this second- and third-grade addition worksheet!

It’s time for students to make their own number bonds! In this activity, students will be given number sentences to solve and represent using number bonds.

Strengthen your second grader's ability to tackle his addition facts by adding up the number strings, and uncover a fun fact when he's finished.