Your students can use their knowledge of simple addition and subtraction facts to solve this KenKen® puzzle.

Will your students help Tommy the Toucan solve this KenKen® puzzle? They'll need their addition and subtraction facts and the numbers 1 through 4.

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

Maybe the real treasure at the end of the rainbow was the addition skills you gained along the way!

Test your knowledge of the commutative property with this essential worksheet!

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

Master the commutative property of addition with this inviting worksheet!

Try using the associative property in this fill-in-the-blank worksheet!

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.