Subjects

Math

English Language Arts

Science

Social Studies

Foreign Language

Grades

Pre-K

Kindergarten

1st Grade

2nd Grade

3rd Grade

4th Grade

5th Grade

6th Grade

7th Grade

8th Grade

Worksheets

Games

Build a Worksheet

Word Scramble

Word Search

Crossword Puzzle

Sudoku Generator

Addition Worksheet Generator 

Subtraction Worksheet Generator

Multiplication Worksheet Generator

Division Worksheet Generator

See All

More Resources

Arts & Crafts

Hands-On Activities

CVC Words

Guided Lessons

Common Core State Standards

Common Core Math

Common Core ELA

Roly Recommends

Weekly Recommendations

Early Childhood

Social Emotional Learning

Spring

Passover

Easter

Earth Day

Math Month

Three-Digit Numbers Multi-Digit Addition Worksheets : Page 2

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

Open Number Line Addition Within 1,000: Write the Equation #3

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

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

Addition with Carrying #4

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

Add the 10s First! (Part One)

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

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!

By the Numbers 2

Represent ones and tens with crayons in this fun worksheet.

Counting on the 100s Chart (Part Two)

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.

Jungle Numbers #9

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.

Addition with Carrying #9

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Science Projects

Teacher Resources

Resource Type

Within 5

Within 10

Within 20

Two-Digit Numbers

Three-Digit Numbers

Larger Numbers

Addition Number Range

Birthdays

Women's History Month

St. Patrick's Day

Ramadan

Cinco de Mayo

Mother's Day

Memorial Day

Asian Pacific American Heritage Month

Graduation

Summer

Father's Day

Independence Day

Back to School

Labor Day

Fall

Hispanic Heritage Month

Halloween

Dia de los Muertos

Veterans Day

Winter

Holidays

Thanksgiving

Christmas

Hanukkah

Kwanzaa

New Year

Martin Luther King Jr. Day

Lunar New Year

Valentine's Day

Presidents' Day

Black History Month

Occasion

Common Core

What's New

Mazes

Dot to Dot

Ball Games

Crossword

Fitness & Exercise

Group Games

Memory Games

Outdoor Games

Printable Board Games

Puzzles & Sudoku

Scavenger Hunt

Travel Games

Word Puzzles

Game Type

Fabric Projects

Beads & Jewelry

Paper & Glue Crafts

Construction & Sculpture

Painting & Drawing

Recycled Crafts

People

Life Learning

Places

Animals

Dinosaurs

Fairies

Fairy Tales

Nature

Paper Dolls

Sports

Vehicles

Coloring

Snacks

Mains

Sides

Dessert

Recipes

English Language Support

Regrouping

No Regrouping

Three or More

Number of Addends