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FREE Printable 3-Digit Addition Math Worksheets (with Answer Key!)

January 23, 2023
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by Beth Gorden

Looking for some practice with 3 digit addition? Print off 25 pages of 3 digit addition worksheets to practice with 2nd grade, 3rd grade, and 4th graders too! Simply print the 3 digit addition sums pages with or without regrouping and you are ready to review this math concept.

Looking for some practice with 3 digit addition? Print off 25 pages of 3 digit addition worksheets to practice with 2nd grade, 3rd grade, and 4th graders too! Simply print the 3 digit addition sums pages with or without regrouping and you are ready to review this math concept.

3 Digit Addition Worksheets

When you are learning three digit addition kids need lots of practice. So I created these addition sums 3 digit pack to practice. I’ve included both adding 3 digit numbers without regrouping and the more difficult  3 digit addition with regoruping worksheets where students will carry over numbers into the tens and hundreds column. Whether you are a parent, teacher, or homeschooler – you will love these 3 digit addition worksheet for helping grade 2, grade 3 and grade 4 students get the practice they need to master the skill and achieve fluency. Use these in math centers, as extra practice, as you school at home, summer learning or as an engaging activity for when they complete their work early.

Three Digit Addition Worksheets

Start by scrolling to the bottom of the post, under the terms of use, and click on the text link that says >> __________ <<. The pdf file will open in a new window for you to save your freebie. Now print off  the pages. This pack comes fully in black and white.

When you are learning three digit addition kids need lots of practice. So I created these addition sums 3 digit pack to practice. I've included both adding 3 digit numbers without regrouping and the more difficult  3 digit addition with regoruping worksheets where students will carry over numbers into the tens and hundreds column. Whether you are a parent, teacher, or homeschooler – you will love these 3 digit addition worksheet for helping grade 2, grade 3 and grade 4 students

3 digit addition sums

Print out the pages. There are two pages of the same five activities.

3 digit addition with regrouping worksheets

adding 3 digit numbers without regrouping

This pack consists of ten pages. There are two pages for each activity and answers are included. There activities include:

  • Adding three digits
  • Add the three digit equations and fill in the box with <,>,=
  • Answers included

3 digit addition sums

3 digit addition with regrouping worksheets

  • Adding three digits with regrouping
  • Check the addition equations and color the ones with the correct answers blue and the incorrect answers green
  • More adding of three numbers in a different format

Children may need an extra sheet of paper to complete their working out on.

Free 3rd Grade Math Worksheets - print grade 3 free worksheets to practice double digit addition and subtraction, multiplication, subtraction, word problems, telling time, and more! Are you working on picking books for 3rd graders? Let me help you pick 3rd grade reading books that are engaging to kids and filled with rich vocabulary and story lines. Instead of spending hours at the library or searching through books on Amazon, check out these fun-to-read Books for Third Graders. Simply print pdf file with printable 3rd grade reading list and you are ready to help your third grader love reading! spring addition Build a Peanut Butter & Jelly Sandwich as you practice ones, tens, hundreds, and thousands place value in this super cute, free printable Place Value Games. This place value math games is a great way for first grade, 2nd grade, 3rd grade, 4th grade, and 5th grade students to grasp the concept of place value. Simply print pdf file with place value game printable and you are ready to have fun with this place value activities!

3rd Grade Worksheets

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Free 3rd grade math worksheets

If you are looking for more 3rd grade math worksheets pdf to practice with your child, you will love these math worksheets grade 3!

Make sure kids are understanding what they read with this free book report template. This 1st grade book report is a handy, NO PREP way to ensure early readers are understanding what they are reading. The book report template 3rd grade has a spot for first grade, second grade, third grade, and fourth grade students to write down book title, author, rate the book, tell their favorite part, give a summary of the book, and more. This is such a handy, free printable, book report template 2nd grade.  Simply grab the free book reports and you are ready to go! These super cute, clever, and FUN Pirate Parts of Speech Worksheets are a great way to help students practice identifying nouns, verbs, and adjectives while having fun. Each of these pirate worksheets has a different activity to practice identifying parts of speech. These worksheets parts of speech are perfect for first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th graders. Simply print pdf file with parts of speach worksheets and get ready to have fun playing and learning! FREE Dictionary Detectives Printables for teaching dictionary skills to 3rd graders, 4th graders, 5th graders, and 6th grade students. #dictionary #worksheetsforkids #grade3 #grade4 #homeschool

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Vikings for Kid s- this is a fun hands on history unit that will help make history come alive including history activities, history crafts, free history printables and more for learning about early explorers #vikings #history #homeschooling Kids will have fun learning about the indigenous people of North American with this fun, hands on, history for kids lesson. We've included recipes, crafts, free printables and more so you can study Southwest Native Americans for Kids from preschool, pre k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th grade students. Discover what it was like to live in the first permanent English Settlement in America with this fun, engaging Jamestown for Kids unit study. Explore this history lesson for kids of all ages from kindergarten, first grade, 2nd grade, 3rd grade, and 4th grade students. Children will learn about the Jamestown Settlement of 1607 with these fun projects, Jamestown activities, and free Jamestown Worksheets. FREE Printable Maps for kids -blank maps of the world, africa, asia, australia, south america, north america, united states, antarctica, Europe and more. Include blank maps and labeled maps. Use them with any social studies / geography program with kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, 6th grade, and 7th grade students to visualize the world at a glance or dive deep into finding countries, continents, rivers / mountains, oceans, etc. Includes both blank printable maps and labeled as well. tralia, united states, europe and more both blank and labeled for kindergarten, first grade, 2nd grade, elementary, middle school, and high school #printablemaps #geography #homeschooling

3rd Grade Social Studies

earth-playdough-activity Make teaching kids about weather fun and EASY with this free weather unit. These Weather Worksheets help kids explore a variety of weather topics as well as some weather themed worksheet for early math and literacy too. Use these free weather printables as preschool, 1st grade, 2nd, grade, 3rd grade, 4th grade and kindergarten weather worksheets. Simply print pdf file with weather worksheets for kids and you are ready to learn! As spring approaches we see a lot of changes in the weater which make it a great time to explore with some fun weather activities for kids and weather experiments for kids to help children understand more about wind, rain, clouds, and more! I'll show you how to make a weather vane the EASY way, make a homemade compass and more weather kindergarten, preschool, pre-k, first grade, 2nd grade, 3rd grade, and 4th graders will be interested in. So grab a couple simple materials you probably have at home and make this homemade weather vane today. This fun hands-on human body for kids project is such a fun way to learn about our amazing bodies! These Human Body Playdough Mats are a fun way for kids of all ages to learn about what is inside our body. Learn about human body parts for kids by completing the free printable playdouh mats. Children will learn about body systems for kids as they make bones, skeletal system, muscles, organs, and more! Use these playdough mats as part of a study of anatomy making human body model for kids from toddler, preschool, pre-k, kindergarten, first grade, 2nd grade, and 3rd grade students. Simply print the playdoh mats and learn about my body parts for kids with a hands-on science activity.

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Looking for some practice with 3 digit addition? FREE pages of 3 digit addition worksheets to practice with and without regrouping!

Addition sums 3 digit

  • This set is for personal and classroom use only.
  • This printable set may not be sold, hosted, reproduced, or stored on any other website or electronic retrieval system.
  • Graphics Purchased and used with permission from
  • All materials provided on this blog is copyright protected.

>> 3 Digit Addition Printables  <<

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About the author

Beth Gorden

Beth Gorden is the creative multi-tasking creator of 123 Homeschool 4 Me. As a busy homeschooling mother of six, she strives to create hands-on learning activities and worksheets that kids will love to make learning FUN! She has created over 1 million pages of printables to help teach kids ABCs, science, English grammar, history, math, and so much more! Beth is also the creator of 2 additional sites with even more educational activities and FREE printables - www.kindergartenworksheetsandgames.com and www.preschoolplayandlearn.com

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