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

Master the math of making 10 and 20 with two addends in this helpful addition worksheet!

Add numbers within 20 using ten frames with this first-grade math worksheet!

Practice finding missing numbers while adding within 20 using ten frames!

Practice adding one to numbers within 10 with this first-grade addition worksheet!

Practice addition under 20 with visual models in this useful math worksheet!

Practice solving near-doubles facts with this engaging worksheet!

Count, add, and compose numbers under 20 in this colorful first-grade worksheet!

Make addition practice sweet with this charming candy-themed worksheet!

Construct a thriving metropolis with this colorful addition worksheet for second graders!

Give your young mathematicians practice with number bonds and number sentences in this visually interesting worksheet that has students composing and decomposing numbers.

Practice place value and addition and see where the two intersect with this hundreds chart that teaches how to add in groups of ten and one.

Learning takes flight in this colorful addition worksheet!

Use the mat to give students extra practice composing a 10 as they learn to add to 20.

Challenge your first grader to find all of the possible sums of 20 by moving through the maze on this worksheet.

Kids practice adding numbers with sums up to 20 and writing the sums on this fruit-themed first grade math worksheet.

Try solving near-doubles facts with these nine problems!

Treasure your addition skills as you finish number bonds in this festive worksheet!

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.