1st and 2nd Grade Three-Digit Numbers Multi-Digit Addition Worksheets

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

Bolster your third grader's addition skills with at-home practice in three-digit addition.

Word problems make for great assessment tools because they require a complete understanding of the math concepts. Use this assessment to evaluate your students' abilities to add and subtract three-digit numbers using mixed operation word problems.

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

Let's see how those addition skills have blossomed over the course of the year! Use this quick math assessment to gauge your students' abilities to add three-digit numbers, both with and without regrouping.

Use these strategy cards to help students develop their compare and contrast skills, along with deepening their understanding of three-digit addition.

Let your child get in some extra addition practice with this worksheet perfect for carrying beginners.

This math fluency checklist is a great tool that can be used to encourage students to use different strategies to solve math problems efficiently and accurately.

Children practice writing numbers from expanded forms, and expanded forms from numbers.

What does carrying have to do with math? Help your second grader find out with this worksheet full of big number addition and carrying hints.

Once your child masters addition with carrying, there's practically no number too big for her to add!

Get more practice exploring properties of operations while writing addition equations in this second-grade math worksheet!

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

This worksheet teaches you to use base 10 drawings to add two-digit numbers.

Help your child get used to addition with carrying so that she'll be all ready to go by the time it's introduced in school.

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.

Continue exploring properties of operations while writing addition equations in this second-grade math worksheet!

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

Represent ones and tens with crayons in this fun worksheet.

Carrying over takes a bit of practice. Give your second grade mathematician a boost with these practice problems.

If your child likes to carry, then this is the worksheet for her!

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

Does your child ever wonder where to put the numbers she carries over in addition problems? He'll wonder no more with this helpful worksheet!

Use these vocabulary cards with the EL Support Lesson Plan: Comparing Strategies for Three-Digit Addition.

Give your kids extra addition practice with this worksheet, which teaches them that it's best to focus on the tens first.

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?

Go on a number adventure with this jungle-themed worksheet. Kids will use their number know-how to order numbers and clear a path through the jungle.

In this worksheets, learn how to add the tens first when using a hundreds chart.

What do cows like to listen to? To find the answer to this riddle, your kids will need to sharpen their skills in basic addition. So saddle up and let those addition skills go wild!

Can your second grader use her addition ability to chart the growth of Augusto's snapdragon?