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

Fall

Halloween

Dia de los Muertos

3rd - 5th Grade 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

Add like mad with our thrilling addition worksheet! This three-minute math drill gets your child racing to complete all the addition equations on the page.

3-Minute Math Drill: Addition

Practice three-digit addition with regrouping in this set of 36 problems.

Extra Practice: Three-Digit Addition with Regrouping

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

Bolster your third grader&#39;s addition skills with at-home practice in three-digit addition.

Addition Practice: Triple Digits

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

Word Problems Check-Up

Children practice adding integers and decimals to the thousandths place in this practice worksheet.

Adding Decimals

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

Check Your Work: Subtraction

Practice spelling, math, and critical thinking with this fun addition and subtraction worksheet. Solve math problems to reveal answers to riddles.

Math Riddles: Add and Subtract

Take math everywhere you go, even to the beach! Students will use subtraction, addition, and time solving skills to complete the beach-themed word problems.

Beachy Word Problems

Kids solve addition problems with three-digit addends using regrouping on this third grade math worksheet.

Coral Reef: Three-Digit Addition with Regrouping

Searching for a worksheet that practices addition regrouping? This printable is perfect for practicing addition skills like carrying the tens column.

Addition Regrouping

What do sea monsters eat? Solve the math problems in this worksheet to reveal the answer! This math worksheets gets kids to build math and spelling skills.

Math Riddles: Addition #4

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

Review Addition with Regrouping

Learners solve 12 three- and four-digit problems as they work on their multidigit addition skills.

Bumble Bee Addition

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

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

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

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

In this worksheet, children use number lines to practice adding and subtracting decimals to the tenths and hundredths place.

Add and Subtract Decimals on a Number Line

Children learn to identify and convert Roman numerals in this introductory worksheet.

Working with Roman Numerals

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

Word Problems in Sports: Addition & Subtraction

Use your addition and decoding skills to solve eight problems in this fun math puzzle!

Secret Code Math

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

Add It Up! Three-Digit Numbers

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

Multiple Choice Math: Addition

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 logic skills to the test as you add and subtract large numbers.

Missing Digits

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

Practice Word Problem Subtraction

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Grade Level

3rd - 5th Grade

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Resource Type

Birthdays

Women's History Month

St. Patrick's Day

Ramadan

Passover

Spring

Easter

Earth Day

Cinco de Mayo

Mother's Day

Memorial Day

Asian Pacific American Heritage Month

Graduation

Summer

Summer Packets

Father's Day

Independence Day

Back to School

Labor Day

Hispanic Heritage Month

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

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

Coloring

Snacks

Mains

Sides

Dessert

Recipes

English Language Support

Within 5

Within 10

Within 20

Two-Digit Numbers

Three-Digit Numbers

Larger Numbers

Addition Number Range

Regrouping

No Regrouping

Three or More

Number of Addends