1. Operations with rational numbers review kaboot

2. 1.
the jar of spaghetti sauce was labeled to have ounces. What is this amount expressed as a decimal?

3. 1. answer
24.375

4. 2.
the length of the paper was supposed to be 11 inches, but was cut of an inch too short. what was the length of the paper expressed as a decimal?

5. 2. answer
inches

6. 3.
the elevation of the town of blackridge pool is on average 28 feet below sea level. the elevation of the town of islebury is on average 89 feet above sea level. what is the difference in elevation between the two towns?

7. 3. answer
117 feet

8. 4.
an airplane took off from the town of blackridge pool, elevation 28 feet below sea level. it rose 35,050 feet before the captain turned off the “seat belts” sign. What was the plane’s altitude when the captain turned off the ”seat belts” sign?

9. 4. answer
35,022 feet above sea level

10. 5.
The temperature at 6 pm was -14°C. By 6 AM the temperature had decreased by 7.3 °. What was the temperature at 6 AM?

11. 5. answer
-21.3 ° C

12. 6.
at 6 AM the temperature was -21.3°C. A warm front came through and by 5 pm the temperature was 12.8°C. What was the average hourly change in temperature?

13. 6. answer
3.1 degrees per hour

14. 7.
Daniel went sky diving. when his parachute opened, his altitude was 8993 ft. it took 6 minutes and 31 seconds to land. On average, how many feet did he descend in each second?

15. 7. answer
23 ft/sec

16. 8.
the number of students enrolled at stony point high school increased by 1426 over a 15-year period. what was the average increase in student enrollment per year? (give an exact decimal answer.)

17. 8. answer
students per year

18. 9.
Rylan spends $2.25 to take the bus to work each morning. in the evening he takes a longer route home so he can stop and check on his elderly grandmother, so his fare each evening is $ How much does he spend each week (5 days) to get to work and back?

19. 9. answer
$28.75

20. 10.
what is the quotient of 89.6 and − ?

21. 10. answer

22. 11.
you are making confetti to throw at your sister’s surprise birthday party. The strips of paper are each 1 foot long, and you are cutting off pieces that are inch each. how many pieces of confetti will each strip make?

23. 11. answer 60

24. 12.
shyla is cutting strips of dough to make a lattice design on the top of her pie. each strip is ¾ of a foot long, and she cuts 7 strips. how many total feet of dough is that? (give the answer in fractional form.)

25. 12. answer ft

26. 13.
the top-selling sales person at Arnold’s furniture sold $8400 worth of furniture last week. the lowest amount sold by any sales person was of that. What was the value of the the furniture sold by the lowest-selling sales person?

27. 13. answer
$3600

28. 14.
sashi is going to paint a border around his bedroom. If the length of the room is ft and the width is ft, what is the perimeter of the bedroom? give as a fractional amount (mixed number).

29. 14. answer ft