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

Challenge your child to add three, four, and five numbers together. He may find the task daunting, but there's a trick to add multiple numbers that will help!

Practice three-digit addition with regrouping in this set of 36 problems.

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

Give your young math learner practice composing numbers 11–19 with this addition strategies worksheet!

Practice solving near-doubles facts with this engaging worksheet!

Master the commutative property of addition with this inviting worksheet!

Learn how the commutative property works with this colorful worksheet!

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

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

Test your addition skills with this hands-on math worksheet!

Practice a vital addition skill with this bright, summery worksheet!