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

Add It Up! Three-Digit Numbers

Is your second grader ready to step up her carrying skills? This intermediate worksheet will test her powers of addition!

Addition with Carrying #6

Adding up big numbers can be tricky. Teach your budding mathematician a helpful trick to keep the numbers in line with carrying!

Addition with Carrying #2

This worksheet isn't for beginners! Let your math savvy kid take on this carrying challenge. Can he add up these big numbers to find the correct sum?

Addition with Carrying #7

Addition will probably be the most basic and most constant use of math for any kid or adult. This worksheet will give your child lots of practice with it.

Round & Add

Give this worksheet a spin, and you'll be on your way to three-digit addition and subtraction success.

Triple Digits! 3-Digit Addition & Subtraction

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

Adding Three-Digit Numbers on an Open Number Line #1

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

Adding Three-Digit Numbers on an Open Number Line #2

Your second grader and his handy addition skills are needed! Can he help Ralph keep track of his hollyhock's growth?

Flower Power Addition #4

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

Adding Three-Digit Numbers on an Open Number Line #3

Use this lesson to review three-digit addition strategies including base-ten drawings, number lines, and the standard algorithm.

Three-Digit Addition Strategies Review

This lesson helps students develop an ability to compare and contrast as they explore two strategies to solve three-digit addition problems. This EL Math lesson can be used alone or alongside Three-Digit Addition Strategies Review.

Comparing Strategies for Three-Digit Addition

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