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

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

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

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

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

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.

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?

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

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.

Little artists can apply their drawing skills to math practice with this picture addition activity.

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.

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.

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

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

Treat your little sweetheart to a fun math activity this Valentine's Day. He'll get to do some coloring as he reviews math facts.

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!

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

Did you know there is math in the Olympics? Swim your way to the gold by adding multiple sets of double-digit numbers.