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

In this worksheet, kids take turns rolling dice, practicing addition, and writing in numbers.

Use this colorful, open-ended worksheet to help your learners understand the value of 100.

The fifth page of this series takes things up a notch for your child, whether she's building addition and subtraction facts fluency or just practicing.

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!

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

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

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

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

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

Children learn a valuable strategy for conceptualizing and solving word problems in this two-digit addition worksheet.