1. Integer Word Problems
8/31/16

2. Instructions
For each situation write and solve a mathematical expression using integers that represents the problem.

3. A team gains 20 yards. Then they lose 7 yards.
*Write an addition and subtraction expression to represent the problem.

4. A team gained 5 yards on their first play of the game
A team gained 5 yards on their first play of the game. Then they lost 6 yards. Find the total change in yardage.
*Write an addition and subtraction expression to represent the problem.

5. During a 5-day workweek, the stock market decrease by 65 points
During a 5-day workweek, the stock market decrease by 65 points. Find the average daily change in the market for the week.

6. The temperature outside is dropping 3 degrees each hour
The temperature outside is dropping 3 degrees each hour. How muck will the temperature change in 8 hours?

7. Your checking account is overdrawn by $50. You write a check for $20
Your checking account is overdrawn by $50. You write a check for $20. what is the balance of your account.
*Write an addition and subtraction expression to represent the problem.

8. A deep-sea diver descends below the surface of the water at a rate of 60 feet each minutes. What is the depth of the diver after 10 minutes.

9. Roger owes his mom $5. He borrows another $6 from her.
*Write an addition and subtraction expression to represent the problem.

10. Jewel’s score was +5 (over par) on the first 9 holes of golf
Jewel’s score was +5 (over par) on the first 9 holes of golf. Her score was -4 (under par) on the second 9 holes of golf. What was her score from both rounds?
*Write an addition and subtraction expression to represent the problem.

11. Over the past seven days, Mrs
Over the past seven days, Mrs. Cho found that the temperature outside had dropped a total of 35 degrees. Find the average change in temperature each day.

12. A computer stock lost 2 points each hour for 6 hours
A computer stock lost 2 points each hour for 6 hours. Describe the total change4 in the stock after 6 hours.

13. The average temperature in Calgary, Canada is 22˚C in July and -11˚C in January. Find the difference between the high and low temperature.

14. A roller coaster begins at 90 feet above ground level
A roller coaster begins at 90 feet above ground level. Then is descends 105 feet. Find the height of the coaster after the first descent.

15. The basketball team lost their last 6 games
The basketball team lost their last 6 games. They lost by a total of 48 points. Find their average number of points lost each game.

16. A drought can cause the level of the local water supply to drop by a few inches each week. Suppose the level of the water supply drops 2 inches each week. How much will it change in 4 weeks?

17. A balloon rises 340 feet into the air. It descends 130 feet.

18. The enrollment at Davis Middle School dropped by 60 students over a 5-year period. What is the average yearly drop in enrollment?

19. A cyclist travels downhill for 125 feet
A cyclist travels downhill for 125 feet. Then she travels up a hill for 50 feet.

20. Sonia has $235 in her savings account. She withdraws $45
Sonia has $235 in her savings account. She withdraws $45. What is left in her savings account?

21. A submarine descends at a rate of 60 feet each minute
A submarine descends at a rate of 60 feet each minute. How long will it take to descend to a depth of 660 feet below the surface?

22. Mrs. Rockwell lost money on an investment at a rate of $4 per day
Mrs. Rockwell lost money on an investment at a rate of $4 per day. Describe the change in her investment after 2 weeks.

23. A plane descends 1,200 feet. Then descends another 500 feet.

24. Josh purchased 8 cans of tennis balls
Josh purchased 8 cans of tennis balls. The cans come with 3 tennis balls. How many tennis balls did Josh purchase?

25. Wade and Kati were digging in the sand at the beach
Wade and Kati were digging in the sand at the beach. Wade dug a hole that was 15 inches form the surface. Kati dug a hole that was 9 inches from the surface. Find the difference in the depth of their holes.

26. Mt. Everest, the highest elevation in Asia, is 29,028 feet above sea level. The Dead Sea, the lowest elevation, is 1,312 feet below sea level. What is the difference between these two elevations?

27. In Buffalo, New York, the temperature was -14°F in the morning
In Buffalo, New York, the temperature was -14°F in the morning. If the temperature dropped 7°F, what is the temperature now?

28. A submarine was situated 800 feet below sea level
A submarine was situated 800 feet below sea level. If it ascends 250 feet, what is its new position?

29. A submarine was situated 450 feet below sea level
A submarine was situated 450 feet below sea level. If it descends 300 feet, what is its new position?

30. In the Sahara Desert one day it was 136°F
In the Sahara Desert one day it was 136°F. In the Gobi Desert a temperature of -50°F was recorded. What is the difference between these two temperatures?

31. Katherine is very interested in cryogenics (the science of very low temperatures). With the help of her science teacher she is doing an experiment on the affect of low temperatures on bacteria. She cools one sample of bacteria to a temperature of - 51°C and another to -76°C. What was the temperature difference in the two experiments?

32. On Tuesday the mailman delivers 3 checks for $5 each and 2 bills for $2 each. If you had a starting balance of $25, what is the ending balance?

33. You owe $225. on your credit card. You make a $55
You owe $225. on your credit card. You make a $55. payment and then purchase $87 worth of clothes at Dillards. What is the integer that represents the balance owed on the credit card?

34.  If it is -25F in Rantoul and it is 75F in Honolulu, what is the temperature difference between the two cities?

35. During the football game, Justin caught three passes
During the football game, Justin caught three passes. One was for a touchdown and went 52 yards. The other was for a first down and was for 17 yards. The other was on a screen pass that did not work so well and ended up a gain of -10 yards. What was the total yardage gained by Justin on the pass plays?

36. James plays in the backfield of the Big Town football team
James plays in the backfield of the Big Town football team. Last week he ran four plays from the halfback position. He made "gains" measured in yards of 3, 4, 1, and 5. What were his average yards per gain? Round your answer to the nearest tenth of a yard.

37. In golf, the average score a good player should be able to achieve is called "par." Par for a whole course is calculated by adding up the par scores for each hole. Scores in golf are often expressed at some number either greater than or less than par. Ms. Floop is having a pretty good day at the Megalopolis City Golf Club. Her score so far after 15 holes is -3. If par for 15 holes is 63, what is her score?

38. It was a very freaky weather day
It was a very freaky weather day. The temperature started out at 9°C in the morning and went to -13°C at noon. It stayed at that temperature for six hours and then rose 7°C. How far below the freezing point (0°C) was the temperature at 6 p.m.?

39. The mailman delievered a $22 check and 3 - $14 bills today
The mailman delievered a $22 check and 3 - $14 bills today. He also took back 1- $5 bill. What is the total in the mailbox?

40. A monkey sits on a limb that is 25 ft above the ground
A monkey sits on a limb that is 25 ft above the ground. He swings up 10 ft, climbs up 6 ft more then jumps down 13 ft. How far off the ground is the monkey now?

41. Mary has $267 in her checking account
Mary has $267 in her checking account. She writes checks for $33, $65, and $ What is the balance in her account now?

42. A submarine dove 836 ft. It rose at a rate of 22 ft per minute
A submarine dove 836 ft. It rose at a rate of 22 ft per minute. What was the depth of the submarine after 12 minutes?