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Math Worksheets

Lessons for Third Grade

Free Printable Worksheets

There are five groups of addition with regrouping worksheets:

2-digit + 1-digit (eg. 48 + 5)

2-digit + 2-digit (eg. 64 + 29)

3-digit + 2-digit (eg. 543 + 39)

3-digit + 3-digit (eg. 648 + 594)

Multi-digit Addition (eg. 12,456 + 3,376)

In these free math worksheets, you will practice adding multi-digit numbers, regrouping if necessary. You will also practice solving multi-digit addition word problems. You can either print the worksheets (pdf) or practice online.

**How to add multi-digit numbers?**

- Arrange the numbers vertically in columns. Make sure that they line up according to their place values.
- Add the digits in each column, starting from the rightmost column (the ones column) and working your way to the left.
- If the sum of the digits in a column is 10 or more, you regroup or carry the extra digit to the next column to the left.

Have a look at this video if you need to learn how to add multi-digit numbers.

Click on the following worksheet to get a printable pdf document.

Scroll down the page for more **Multi-digit Addition Worksheets**.

**Printable**

Multi-digit Addition Worksheet #1

(Answers on the second page.)

Multi-digit Addition Worksheet #2

(Answers on the second page.)

**Multi-digit Addition Word Problems**

- In September, Liberty Elementary School collected 32,537 cans for a fundraiser. In October, they collected 207,492 cans. How many cans were collected during September and October?
- A baseball stadium sold some burgers: 2,806 were cheeseburgers and 1,679 burgers didn’t have cheese. How many burgers did they sell in all? Use a tape diagram to show your work.
- On Saturday night, 23,748 people attended the concert. On Sunday, 7,570 more people attended the concert than on Saturday. How many people attended the concert on Sunday?
- The office supply closet had 25,473 large paperclips, 13,648 medium paperclips, and 15,306 small paperclips. How many paperclips were in the closet?
- At the zoo, Brooke learned that one of rhinos weighed 4,897 pounds, one of the giraffes weighed 2,667
pounds, one of the African elephants weighed 12,456 pounds, and one of the Komodo dragons weighed
123 pounds.

a. What is the combined weight of the zoo’s African elephant and the giraffe?

b. What is the combined weight of the zoo’s African elephant and the rhino?

c. What is the combined weight of the zoo’s African elephant, the rhino, and the giraffe?

d. What is the combined weight of the zoo’s Komodo dragon and the rhino? - The Lane family took a road trip. During the first week, they drove 907 miles. The second week they drove the same amount as the first week plus an additional 297 miles. How many miles did they drive during the second week?
- Meredith kept track of the calories she consumed for 3 weeks. The first week, she consumed 12,490 calories, the second week 14,295 calories, and the third week 11,116 calories. How many calories did Meredith consume altogether?

Multi-digit Addition Word Problems (Online Worksheet & Answers)

Add Whole Tens (eg. 50 + 60)

Add Tens to a 2-digit number (eg. 60 + 34)

2-digit + 1-digit (eg. 48 + 5)

2-digit + 2-digit (eg. 64 + 29)

3-digit + 2-digit (eg. 543 + 39)

3-digit + 3-digit (eg. 648 + 594)

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

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