Super Teacher Worksheets

Addition Worksheets (3-Digit Addends)

This page has a variety of 3-digit addition activities. Includes math riddles, Scoot card games, word problem worksheets, and task cards.

Addition Worksheets (3-Digit)

Addition
(3-Digit Addends)

Add the 3-digit numbers starting with the ones, then tens, then hundreds. Boxes are available to show regrouping/carrying.
2nd through 4th Grades
3-Digit Addition with Regrouping Worksheet
Common Core
Multiple Versions Available
Multiple Versions Available
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Solve this set of addition problems with 3-digit addends. Includes two word problems.
2nd through 4th Grades
3-Digit Addition Worksheet Worksheet
Use this worksheet to help students practice adding with three digits.
2nd through 4th Grades
Variety Worksheet: 3-Digit Addition Worksheet
Find the sum for each problem. All addition requires carrying or regrouping. Use the answers to solve the riddle: What's more amazing than a talking dog?
2nd through 4th Grades
Math Riddle: Amazing Talking Dog Addition Worksheet
Solve the addition problems and color the giraffe.
2nd through 4th Grades
Color and Add: Giraffe (3-Digits) Addition Worksheet
Add numbers inside similar shapes. For example: Add the numbers inside the hexagons.
2nd and 3rd Grades
Shape Addition (3-Digit) Worksheet
In this game, students in your class will travel to each desk and answer addition problems. All problems have at least one 3-digit addend.
2nd through 4th Grades
Game: 3-Digit Addition Scoot Worksheet
This file has 30 addition task cards. Each one has a problem with 3-digit addends. There's also a student answer worksheet. Makes a great learning center.
2nd and 3rd Grades
Addition Task Cards Worksheet
These math problems have mistakes in the solutions. Write the correct solution, and explain why the problems shown are not correct.
2nd and 3rd Grades
Find the Mistakes Addition Worksheet
First, solve the 3-digit addition problems. Then cut out the cards. Sort the sums into two groups: even and odd. Glue the cards on a t-chart.
2nd and 3rd Grades
Even and Odd Sums Addition Worksheet
Kids practice adding three-digit numbers; Requires Carrying / Regrouping.2,
2nd through 4th Grades
More 3-Digit Addition Worksheet
Add to find the answers to these 3-digit plus 3-digit problems. The picture and word problems feature a pony.
2nd through 4th Grades
More 3-Digit Addition Practice Worksheet
Solve the addition problems and color the answers on the bingo boards.
2nd through 4th Grades
Addition Bingo:  3-Digit Addends Worksheet
When students add 3-digits plus 3-digits on grid paper, their columns are sure to be lined up correctly
2nd through 4th Grades
Graph Paper Math:  3-Digit Addends Addition Worksheet
Decode the secret numbers using the cypher key at the top of the page. Then add them together.
2nd through 4th Grades
Secret Code Math: 3-Digit Addition Worksheet
Add six pairs of numbers. Choose numbers from the circles at the top of the page.
2nd through 4th Grades
Addition Circles Worksheet
Addition problems with 3-digit addends; Requires regrouping. Worksheet shows images of underwater animals such as fish, a turtle, and a crab.
2nd through 4th Grades
Underwater Animals Addition Picture (3-Digit Addends) Worksheet
A monster-themed worksheet with three-digit addition problems. Requires understanding of carrying/regrouping.
2nd through 4th Grades
Monster Math Addition:  3-Digits Free Worksheet
This worksheet will help students use place value blocks (base 10 blocks) to practice addition skills.
1st through 3rd Grades
3-Digit Addition with Place Value Blocks Worksheet
Figure out where to place the digits for each addition problem.
2nd through 5th Grades
Magic Digits Game (3-Digit Addition) Worksheet
Find the sums of the numbers on the dancing piggy pictures. (3-digit addends)
2nd through 4th Grades
Dancing Pig Addition Worksheet
Solve these 3-digit addition word problems and show your work in the space provided.
2nd through 4th Grades
Word Problems: 3-Digit Addition Worksheet
To solve these word problems, students will need to find the sums of the three-digit addends.
2nd through 4th Grades
More Word Problems:  3-Digit Addition Worksheet
Solve the 3-digit plus 2-digit addition problems. Then attach the puzzle pieces in the correct positions. Scene shows a kid building a snowman.
2nd through 4th Grades
3-Digit + 2 Digits - Snowman Picture Puzzle Winter Worksheet
Rewrite each addition problem vertically and solve. This page has nine problems.
2nd through 4th Grades
Addition Boxes: 3-Digit Worksheet
Rewrite each problem vertically, then solve. Great sheet to have kids learn to "line up the digits in the problem correctly."
2nd through 4th Grades
Addition:  3-Digits + 2-Digits Worksheet
Includes 2 and 3-digit addition, column addition, and word problems.
2nd through 4th Grades
Addition Review Worksheet Worksheet

Addition with
3 or More Addends

Three-digit column addition problems with three addends; Includes one word problem
2nd through 4th Grades
Addition with 3 Addends Worksheet
What do boats eat in the morning for breakfast? To solve the riddle, students will need to complete column addition problems. Each one has three, 3-digit addends.
2nd through 4th Grades
Math Riddle: Captain\'s Choice Addition Worksheet
These addition problems were solved incorrectly. Examine them carefully and explain the mistakes.
2nd through 4th Grades
Find the Mistakes (3 Addends) Free Addition Worksheet
Three-digit column addition problems with three  or four addends; Includes one word problem
2nd through 4th Grades
Addition with 3 and 4 Addends Worksheet
Kids look through a grocery store ad paper and choose 3 foods they'd like to buy.  They cut out the pictures and prices, then glue them onto the worksheet.  Then they must add the prices of the 3 items together to find the sum.
1st through 4th Grades
Grocery Math Addition Worksheet
Add the three digit numbers and plug them into the math crossword puzzle.
2nd through 4th Grades
Addition Crossword (3 Addends) Worksheet
Four word problems that require students to use column addition to solve; Includes space for students to show their work
2nd through 4th Grades
Multiple Addends: Word Problems #1 Addition Worksheet
More story problems in which students practice column adding
2nd through 4th Grades
Multiple Addends: Word Problems #2 Addition Worksheet
Use the cypher key at the top of the worksheet to decode the addends in these column addition problems.
2nd through 4th Grades
Secret Code Math: 3 Addends, 3 Digits Addition Worksheet

Addition & Subtraction (Mixed)

How do bees travel to school in the morning? To find the answer to this riddle, students will have to solve 3-digit addition and subtraction problems. Then match the letters at the bottom of the page with the answers.
3rd and 4th Grades
Math Riddle: Bee School (Add/Subtract; 3 Digits) Addition Worksheet
Write the missing number for each bar model (aka tape diagram or part-part-whole diagram). Then write an addition and a subtraction problem to go along with each diagram.
2nd through 4th Grades
Addition Bar Models (Tape Diagrams) Mixed Addition Subtraction Worksheet
These seven addition bar models (or tape diagrams) have space for students to show their work on the right-hand side.
2nd through 4th Grades
Addition Bar Models With Work Space Mixed Addition Subtraction Worksheet

Partial Sums

Students can look at a step-by-step example of a 3-digit addition problem being solved with partial sums as they complete several problems on their own.
3rd and 4th Grades
3-Digit Partial Sums Addition (with Example) Worksheet
Hone elementary addition skills using the partial sums method with this worksheet.
3rd and 4th Grades
3-Digit Partial Sums Addition Worksheet
Use the graph paper on this page to show your work for solving these 6 addition problems with partial sums.
3rd and 4th Grades
Graph Paper Addition (3-Digit, Partial Sums) Worksheet
Show students how to solve a 3-digit by 3-digit addition problem using partial sums with this worksheet.
3rd and 4th Grades
Partial Sums Outline (3-Digit) Addition Worksheet
This anchor chart is a great reference tool on how to solve 3-digit addition problems using partial sums.
3rd and 4th Grades
Partial Sums Anchor Chart (3-Digit) Addition Worksheet

Addition Worksheet
Generator

Addition Worksheet Maker

Use this generator tool to make your own, custom addition worksheets. Choose the number of digits you prefer. This tool allows you to make math printables for any grade level.

See also:
2-Digit Addition (No Regrouping)

Here you'll find worksheets that do not require carrying or regrouping. These are very basic worksheets, recommended for students in about 1st grade.

2-Digit Addition

Want something slightly easier for your kids? Try hopping down to the two-digit adding page. Recommended for students in 1st grade and 2nd grade.

4 and 5-Digit Addition

Is 3 digits is too easy for your students, jump up to our 4-digit addition worksheet page. Recommended for 3rd grade, 4th grade, and 5th grade students.

Sample Worksheet Images

3-Digit Addition Worksheet

Addition with Regrouping Worksheet

3-Digit Addition Math Task Cards

3-Digit Addends Worksheet

3-Digit Addition Game

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Common Core Alignment
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