Have an account?
Skip to Content
Build your own quiz
Suggestions for you
18 questions
Show Answers
See Preview
- 1. Multiple Choice
The number 79 has been rounded to the nearest unit. Find its lower and upper bounds
78.5 ≤ 79 <79.5
78 ≤ 79 <80
78.4 ≤ 79 <79.4
- 2. Multiple Choice
The number 10 has been rounded to the nearest whole number. Find its lower and upper bounds
9 ≤ 10 < 10
9.5 ≤ 10 < 10.5
9 ≤ 10 < 11
- 3. Multiple Choice
The number 16 has been rounded to the nearest integer. Find its lower and upper bounds
15 ≤ 16 < 17
15 ≤ 16 < 16
15.5 ≤ 16 < 16.5
- 4. Multiple Choice
The number 1000 has been rounded to the nearest 100. Find its lower and upper bounds
950 ≤ 1000 < 1050
950 ≤ 1000 < 1050.1
950 ≤ 1000 < 1051
- 5. Multiple Choice
The number 9000 has been rounded to the nearest 1000. Find its lower and upper bounds.
8500 ≤ 9001 < 9500
8500 ≤ 9000 < 9500
8500.5 ≤ 9001 < 9500.5
- 6. Multiple Choice
The number 1000 has been rounded to the nearest 100. Find its lower and upper bounds
950 ≤ 1001 < 1051
950 ≤ 1001 < 1050
950 ≤ 1000 < 1050
- 7. Multiple Choice
The number 51.2 has been rounded to the nearest 1 decimal place. Find its lower and upper bound
51.1 ≤ 51.2 < 51.2
51.15 ≤ 51.2 < 51.25
51 ≤ 51 < 51
- 8. Multiple Choice
The number 43.4 has been rounded to the nearest tenth. Find its lower and upper bounds.
42 ≤ 43 < 44
43.3 ≤ 43.4 < 43.4
43.35 ≤ 43.4 < 43.45
- 9. Multiple Choice
The number 22.4 has been rounded to the nearest 1 decimal place. Find its lower and upper bounds
22.35 ≤ 22.4 < 22.45
22.3 ≤ 22.4 < 22.4
23 ≤ 24 < 25
- 10. Multiple Choice
The number 60 has been rounded to 1 significant figure. Find its lower and upper bounds.
55< 60 < 65
55.25 ≤ 60 < 65.25
55 ≤ 60 < 65
- 11. Multiple Choice
Work out the upper bound and lower bound for 32 cm, measured to the nearest cm
32.5 and 31.5
31.5 and 32.5
35 and 30
33 and 31
- 12. Multiple Choice
What is the upper bound and lower bound of 390 grams, measured to the nearest 10 grams?
385 and 395
390.5 and 389.5
400 and 380
395 and 385
- 13. Multiple Choice
The length and width of a field have been measured as 78m and 35m to the nearest metre. Find the greatest possible amount of fencing needed to surround the field
27
228
226.5
228.5
- 14. Multiple Choice
a = 60 rounded to the nearest 10b = 5.7 rounded to one decimal place.What are the lower and upper bounds of a/b
10.55 and 10.45
11.5 and 9.57
10.35 and 10.71
10.77 and 9.91
- 15. Multiple Choice
The distance travelled by an object is 18 metres in a time of 1.8 seconds. Both measurements have been given correct to 2 significant figures. Calculate the minimum and maximum possible speed of the object in m/s.
9.75 and 10.35
9.5 and 10.5
9.46 and 10.57
10 and 9
- 16. Multiple Choice
A sheet of paper is 0.08mm thick correct to 2 decimal places. Calculate the difference between the least and greatest possible heights if 2000 pieces of paper are stacked on top of each other
200
20
2000
160
- 17. Multiple Choice
To the nearest thousand, 90 000 cars drive through the road toll in one week.Write down the lower bound for this number of cars.
85000
89950
89500
89999.5
- 18. Multiple Choice
The weight, w grams, of the bag of sweets is 250 g correct to the nearest 10 g. Find the lower bound and the upper bound of w
245 and 255
249.5 and 250.5
247.5 and 252.5
240 and 260
- Answer choicesTagsAnswer choicesTags