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Three-Digit Addition Worksheet

Practice adding three-digit numbers with this worksheet, featuring various question types including multiple choice, fill-in-the-blanks, and short answer problems.

Grade 4 Math AdditionMulti-digit AdditionThree-digit Addition
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Includes

Multiple ChoiceFill in the Blanks2 Short AnswerTrue / False

Standards

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

Topics

mathadditionthree-digitgrade 4
7 sections · Free to use · Printable
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Three-Digit Addition Practice

Name:

Date:

Score:

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

1. What is the sum of 123 + 456?

a

578

b

579

c

678

d

679

2. Choose the correct sum for 305 + 298.

a

503

b

603

c

613

d

693

3. The sum of 250 and 375 is  .

4. When you add 418 to 192, the result is  .

5. A library has 345 fiction books and 289 non-fiction books. How many books are there in total?

6. Sarah saved $175 in January and $230 in February. Her brother saved $190 in January and $215 in February. What is the total amount of money Sarah saved in both months?

7. The sum of 500 and 499 is 999.

T

True

F

False

8. Adding 100 to 899 results in 999.

T

True

F

False

9. A farmer harvested 278 apples on Monday, 315 apples on Tuesday, and 199 apples on Wednesday. How many apples did the farmer harvest in total over the three days?