Three-Digit Addition Practice

Practice worksheet for Grade 6 students on adding three-digit numbers, including regrouping.

Grade 6 Math AdditionMulti-digit AdditionThree-digit Addition

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Includes

Fill in the BlanksMultiple ChoiceShort AnswerTrue / False

Standards

CCSS.MATH.CONTENT.4.NBT.B.4

Topics

mathadditionthree-digitgrade 6

6 sections · Free to use · Printable

Name:

Date:

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Read each question carefully and solve the three-digit addition problems. Show your work where indicated.

Solve the following addition problems. Use the space below for your calculations.

1. 345 + 123 =

2. 678 + 219 =

3. 509 + 382 =

4. 741 + 160 =

5. What is the sum of 456 and 287?

733

743

633

643

6. Which addition problem gives a sum of 900?

450 + 350

525 + 375

610 + 280

700 + 150

7. A school collected 367 cans for a food drive in the first week and 458 cans in the second week. How many cans did they collect in total?

8. Sarah read a book with 235 pages. She then started another book with 189 pages. How many pages did she read altogether?

9. 521 + 279 = 800

True

False

10. When adding 100 to a three-digit number, only the hundreds digit changes.

True

False