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

Make math practice a little less boring with an addition coloring page! Your first grader can do a few addition problems as he colors the balloons.

Children are introduced to a new way to add with this base 10 rods worksheet.

Your child will develop the skills necessary to recognize patterns by completing inverse operations as well make a connection between addition and subtraction.

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 counting and adding by ten with a hundred chart!

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

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

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