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

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.

3 digit addition sums

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

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 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.

3rd Grade Worksheets

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!

3rd Grade Language Arts

3rd Grade Social Studies

3rd Grade Science

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.
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>> 3 Digit Addition Printables  <<