Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Practice three-digit addition using open number lines with this second-grade math worksheet!

Try this bright worksheet to give your first grader some at-home practice with adding three numbers!

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

If your child is confident in their addition skills, challenge them to tackle addition with three numbers.

Adding two numbers? Too easy. See if your kindergarten math whiz can add three!

Can your first grader practice adding three numbers together to help these working people do their jobs?

Kids look for keywords to determine how to solve each problem with this three-step 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?

Teach your students to solve word problems with three addends. Plenty of space is provided for students to show their thinking!

What if more blind mice were added to the three blind mice? Help your child practice her counting with this nursery rhyme intro to addition!

Use this glossary with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

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.

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Use place value to add three-digit numbers with this second-grade worksheet!

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

Use your knowledge of place value to solve addition problems with this first- and second-grade worksheet!

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

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

Get even more practice adding tens on an open number line with this first-grade math worksheet!