It's time to check those addition skills! Use this to assess your student’s abilities to add within 20.

Your students have been plugging away at their math skills all year. Now it's time to put those skills to the test! Use this math assessment to check in on your students’ abilities to add 10 to two-digit numbers.

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!

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