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3rd Grade Common Core Multi-Digit Addition Worksheets

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

Add Three-Digit Numbers

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

3-Digit Addition

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

Three-Digit Addition

Use this winter-themed resource with your students to practice multi-step word problems with mixed operations.

Word Problems in Winter: Multi-Step Mixed Operations

Use this resource to assess students’ abilities to solve a variety of word problems.

Word Problems Check-Up

Challenge your third grade mathematicians with these addition and subtraction word problems. This exercise is designed to assess your students&#39; math level at the beginning of third grade.

Two-Digit Addition and Subtraction Word Problems

Use this Arctic-themed resource with your students to practice multi-step word problems with mixed operations.

Word Problems in the Arctic: Multi-Step Mixed Operations

Math learners solve sports-themed addition and subtraction problems in this practice worksheet.

Word Problems in Sports: Addition & Subtraction

Packed with addition problems requiring regrouping, this worksheet is a perfect way to practice addition with carrying.

Review Addition with Regrouping

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

Add It Up! Three-Digit Numbers

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

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

Practice Word Problem Subtraction

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

Subtraction Practice

Kids complete each equation on this third grade math worksheet by determining whether an equation is addition or subtraction and writing in the correct sign.

Addition & Subtraction: Runaway Signs

In this 3rd grade math worksheet, kids analyze and compare data in two pictographs in order to answer a set of word problems.

Comparing Pictographs: Taxi, Taxi

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

This underwater-themed worksheet is a playful way for learners to practice solving multi-step word problems.

Sea Creatures Word Problems: Multi-step Subtraction and Addition

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

These school-inspired math word problems will challenge your student!

Word Problems in the School Day: Addition & Subtraction

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.

Math Fluency Checklist

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

Addition with Carrying #3

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

Addition and subtraction practice can get a little repetitive, so mix it up with this funny under the sea worksheet.

Funny Fish Addition and Subtraction

Sea Creatures Word Problems: Multi-step Addition and Subtraction

Help your child practice adding four-digit and three-digit numbers! This Easter-themed math worksheet is more interesting than your average printable.

4-Digit Addition

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 

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

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

Addition with Carrying #10

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

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3rd Grade Common Core Multi-Digit Addition Worksheets

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