Use the worksheet to help students visualize addition number sentences with three addends. Kids build 10 cube trains using three different color cubes, color their trains, and then write out the equations.

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

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

Kids look for keywords to determine how to solve each problem with this three-step addition worksheet.

Children will put their three-digit addition skills to the test as they solve 23 practice problems in this math 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?

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

Learning addition is as easy as 1-2-3! Give your child a head start on addition with this counting worksheet.

This coloring page dot-to-dot uses skip counting as an unexpected way to tie in multiplication learning and reviewing multiples of three!

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

Children practice finding the sum of two three-digit whole numbers, with no regrouping, in this math worksheet.

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

Your child will develop the skills necessary to recognize patterns by completing inverse operations as well make a connection between addition and subtraction.

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.

This colorful printable--complete with a lovable three-eyed monster--will help your second grader master double-digit addition with carrying!

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

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

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

How are your students coming along in their three-digit addition skills? Use this spring math assessment to gauge your students' abilities to add within 1,000.

Keep young minds sharp with another fun math maze!

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

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

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!

Learn to perform addition with three-digit numbers in this essential worksheet!

Who's the mystery president? Your second grader can find out by skip counting by threes to complete the dot-to-dot.