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2nd - 4th Grade Three-Digit Numbers Multi-Digit Addition Worksheets : Page 2

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

Math Notes: Three-Digit Addition

Help your students apply strategies when solving addition problems. This worksheet provides practice for using number lines to solve addition problems with three-digit numbers.

Practice Adding Three-Digit Numbers on an Open Number Line

This resource gives your learners practice solving multi-step word problems with mixed operations. They will use addition, subtraction, or both operations.

Stepping Through Addition and Subtraction Word Problems Practice

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.

Carry Over

The best way to solve a complicated problem is to break it down. Help your students use the Read, Write, Draw strategy to solve word problems with this worksheet.

Word Problem Solving Template - Read, Draw, Write

Review subtraction and check your work with this worksheet that asks kids to subtract, then add in reverse.

Check Your Work: Subtraction

Practice adding with this third grade addition worksheet. Your child will hone his addition skills.

Multiple Choice Math: Addition

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

Practice&nbsp;two-and three-digit subtraction in this set of school-themed word problems!

Practice Word Problem Subtraction

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

Addition with Carrying #3

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

Subtraction Practice

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

Using Base 10 Drawings in Two-Digit Addition

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

Addition with Carrying #6

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

Addition with Carrying #8

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.

Three-Digit Addition: Part 1

Put your hundreds chart skills to the test by counting up the charts on this second grade math worksheet.

Adding with the Hundreds Chart

The partial sums method uses place value to help organize multi-digit math problems. Help your child master this strategy with a few practice problems.

Partial Sums

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.

Spring Three-Digit Addition Check-in

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.

Three-Digit Addition: Part 2

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

Strategy Cards: Three-Digit Addition

The hundreds chart is great for adding tens. Help Stephanie figure out how many beads she bought by moving down the chart.

Adding 10s on the Hundreds Chart

Use this exercise to give your students practice solving word problems with addition, subtraction, or a mix of both operations.

Stepping Through Addition and Subtraction 

Third graders can practice addition and engage in a coloring activity in one simple worksheet.

Additional Eggs

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

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

Place Value: Expanding Numbers #2

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

Three-Digit Addition Cards

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

Addition with Carrying #10

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

Vocabulary Cards: Comparing Strategies for Three-Digit Addition

Use this glossary with the EL Support Lesson: Thinking Deeply About Word Problems.

Glossary: Thinking Deeply About Word Problems

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!

Addition with Carrying #5

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