Give your students simple two-digit numbers to practice the decomposition addition strategy! This can be used as a stand-alone activity or in conjunction with the Composing and Decomposing lesson plan.

In this worksheet, learn how to add the tens first when using a hundreds chart.

Should this Christmas present be red, yellow, or green? It's up to your young mathematician to find out in this Christmas math and color-by-number worksheet.

There are 10 gifts under the Christmas tree, but they're missing their colors. Your child will use his math and creative skills to color them in this worksheet.

Practice using place value to solve addition problems with this math worksheet!

Learning takes flight in this colorful addition worksheet!

Use your addition skills to build your own number city in this unique worksheet!

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

Determine doubles with dots on dominoes in this delightful worksheet!