The third in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

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

The second in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fourth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

The fifth in a series of six, this addition worksheet gives learners more practice composing numbers 11–19!

Practice adding 3 to numbers within 10 with this first-grade addition worksheet!

If your child is looking for a number challenge, we've got the worksheet for her. She may be a whiz at adding two numbers, but can she add three numbers?

Let's see those addition skills! Use this math assessment to check in on your students’ abilities to add three numbers by having them solve these problems.

Practice addition and subtraction with this first-grade hundred chart worksheet!

Get even more fun practice balancing addition and subtraction equations with this lower grades math worksheet!

Learn to use the commutative property with three-addend addition expressions!

Get more practice performing addition within 100 using open number lines with this first-grade math worksheet!

Children practice addition within 20 in this fall-themed math worksheet.

Practice addition within 10 with this Halloween math workheet!

Looks like the Easter bunny has left some colorful treats for a special student! She'll need to solve all the simple addition problems in each egg.

Count and add the Halloween pictures in this simple addition worksheet!

Count and add the Thanksgiving pictures in this simple addition worksheet! 

Little math learners can have a blast solving these Valentine's Day addition problems! Build basic math skills with this practice sheet.

Shape up your addition skills with these square puzzles!

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!

Get even more practice balancing addition and subtraction equations with this engaging cut-and-paste worksheet!

Practice identifying doubles facts with this appealing worksheet!

Help first and second graders practice solving near-doubles facts using this fun worksheet!

Explore number bonds with this bright, engaging worksheet!

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

Master the commutative property of addition with this inviting worksheet!

Keep young minds sharp with another fun math maze!

Learn to navigate a hundred chart with this first-grade worksheet!

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