Learners will solve 20 two- and three-digit addition problems in this versatile practice worksheet.

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.

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

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

Give students practice adding three-digit numbers within 1,000! 

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.

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?

Improve those skills! Practice three-digit addition with these twelve problems.

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

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

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

Practice three-digit addition with regrouping in this set of 36 problems.

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?

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

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

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.

Children complete an addition chart, then fill in missing addends and sums in this useful practice worksheet.

Use this worksheet to continue practice with two addition strategies: expanded notation and standard algorithm. Students will be challenged to solve three-digit addition problems and then check their work using multiple methods.

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

Use this worksheet to practice two strategies for solving three-digit addition problems. Students will flex their math muscles as they use both the expanded notation and standard algorithm strategies to solve challenging math problems.