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.

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.

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

3...2...1...go! Students will apply their knowledge of addition facts with this speedy worksheet!

Children practice finding the sum of two three-digit whole numbers, with no regrouping, 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?

Learn to use the commutative property with three-addend addition expressions!

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

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

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

Help your second grader strengthen her two-digit addition skills ... and pretend she's a super hero at the same time!

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.

Track down tens to solve addition problems with three addends!

Review three-digit addition and subtraction by solving these dino-riffic word problems.

Give students practice adding 2 to numbers within 10 with this addition worksheet!

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

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

Add three numbers by making a 10 in this first-grade worksheet!

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Kids solve addition problems with three-digit addends to move from bubble to bubble on this second grade math worksheet.

This simple worksheet is packed with two-digit and three-digit subtraction problems.

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