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

Back to School

Labor Day

Fall

Hispanic Heritage Month

Showing Results for rounding three digit

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

3-Digit Addition

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

Add Three-Digit Numbers

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

Three-Digit Addition

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

Add It Up! Three-Digit Numbers

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

Math Notes: Three-Digit Addition

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

Extra Practice: Three-Digit Addition with Regrouping

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

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

Glossary: Comparing Strategies for Three-Digit Addition

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

Coral Reef: Three-Digit Addition with Regrouping

Get even more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #3

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

Vocabulary Cards: Comparing Strategies for Three-Digit Addition

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

Practice three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #1

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 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

Get more practice performing three-digit addition using open number lines with this second-grade math worksheet!

Adding Three-Digit Numbers on an Open Number Line #2

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

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

Challenge yourself to solve three-digit addition problems in this colorful worksheet!

Place Value Chart Addition Without Regrouping: Sums to 1,000 #3

Help your second grader strengthen her two-digit addition skills ... and pretend she's a super hero at the same time!

Name That Hero! Two-Digit Addition #3

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

Addition Practice: Triple Digits

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

Subtraction Practice

Get more practice adding two-digit numbers on open number lines with this inviting addition worksheet!

Adding Two-Digit Numbers on an Open Number Line #3

Learn to perform addition with three-digit numbers in this essential worksheet!

Place Value Chart Addition Without Regrouping: Sums to 1,000 #2

Use place value to add three-digit numbers with this second-grade worksheet!

Place Value Chart Addition With Regrouping: Sums to 1,000 #2

This colorful printable--complete with a lovable three-eyed monster--will help your second grader master double-digit addition with carrying!

Double Digits! Practice Vertical Addition with Regrouping 26

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

Practice Word Problem Subtraction

Students solve addition problems with two-digit addends and no regrouping on this fruit-themed worksheet.

Pineapple Math: Two-Digit Addition

With this worksheet students will practice using the number line strategy to add three-digit numbers.

Hop to It!

Your second grader will finally want to practice at-home addition when it involves super heroes and extraordinary powers!

Super Powers! Two-Digit Addition #3

Lesson Plans

Interactive Worksheets

Workbooks

Activities

Exercises

Stories

Songs

Offline Games

Teacher Resources

Resource Type

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Grade Level

1st - 3rd Grade

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

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

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