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? 

"Ms. Branch has 17 students and Ms. Keller has 20 students. How many students total are in fourth grade?"

"total" = addition 

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? 

"Ms. Branch has 17 students and Ms. Keller has 20 students. How many more students does Ms. Keller have?"

"How many more" = Subtraction

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

Ms. Allison is 44 years old and Ms. Keller is 26 years old. How much older is Ms. Allison?

"How much older" = subtraction

400

14,084 + 3,814

17,898

400

39,018 + 6,200

45,218

400

83,304 - 3,203

80,101

400

38,295 - 7,457

30,838

400

Is this an addition or subtraction word problem?

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

"How many... left" = subtraction

500

738,920 + 161,068

899,988

500

386,023 + 274,204

660,227

500

989,093 - 804,062

185,031

500

496,249 - 347,358

148,891

500

Is this an addition or subtraction word problem? 

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

"altogether" = addition