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

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

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

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

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

Encourage your second grader to work carefully--like the slow and steady snails adorning this worksheet--to finish these double-digit addition problems.

Covering single-digit addition problems, this first grade math worksheet offers an approachable introduction to math beyond counting.

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.

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

This fun first grade math worksheet presents addition problems two ways: with numbers and with dots! An excellent introduction to addition.

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

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

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.

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?

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

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.

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

Once your second grader finishes rewriting and solving these challenging double-digit addition problems, they'll get an entertaining reward!

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

Use these cards to help students see the difference between adding three-digit numbers using the standard algorithm and expanded notation.

This math worksheet tests your child's addition and riddle-solving skills. Find out the answer to the riddle, "Which month has 28 days?"

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.

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.