Addition without Regrouping
Addition with Regrouping
Subtraction without Regrouping
Subtraction with Regrouping
Key Words in Word Problems
100

137 + 542

679

100

356 + 183

539

100

74 - 23

51

100

835-173

662

100

Is this an addition or subtraction word problem? Give the correct operation and the answer.

"Mrs. Surmon has 17 students and Mrs. Kim has 20 students. How many students total are in fourth grade?"

"total" = addition 

37 students

200

1,483 + 204

1,687

200

3,385 + 631

4,016

200

1,835 - 104

1,731

200

2,805 - 432

2,373

200

Is this an addition or subtraction word problem? Give the correct operation and the answer.

"Mrs. Surmon has 20 students and Mrs. Kim has 17 students. How many more students does Mrs. Surmon have?"

"How many more" = Subtraction

3 students more.

300

2,584 + 3,410

5,994

300

8,284 + 1,934

10,218

300

9,736 - 3,502

6,234

300

4,473 - 3,485

988

300

Is this an addition or subtraction word problem? Give the correct operation and the answer.

"Mr. Brown is 44 years old and Mr. Gray is 26 years old. How much older is Mr. Brown?"

"How much older" = Subtraction

18 years older. 

400

4,084 + 3,814

7,898

400

9,018 + 6,200

15,218

400

8,304 - 3,203

5,101

400

8,295 - 7,457

838

400

Is this an addition or subtraction word problem?

"Annie has 75 cookies and sells 25 of them to Jane for $1.00 each. How many cookies does Annie have left?"

"How many... left" = subtraction

50 cookies left

500

8,920 + 1,068

9,988

500

6,023 + 4,204

10,227

500

9,093 - 4,062

5,031

500

6,249 - 3,358

2,891

500

Is this an addition or subtraction word problem? 

"Mike has 928 Pokemon cards and Will has 284 Pokemon cards. How many cards do they have altogether?

"altogether" = addition 

1,212 cards.