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WorksheetsRounding and Upper and Lower Bounds
Total questions: 25
Worksheet time: 25mins
What is 78.5 rounded to one significant figure?
79
78.5
70
80
Round off 509.96 to 4 significant figures
509.9
509.0
510.0
510
What is 0.658 rounded to 1 significant figure?
0
0.66
0.7
0.658
Round 0.010229 to four significant figures
1022
1023
0.01023
0.01022
Round 1047.78 to three significant figures.
104
105
1050
1050.00
Round 1099 to three significant figures.
100
101
1010
1,000
Round off 1,296,717 to 3 significant figures
1,290,000
1,296,000
1,297,000
1,300,000
What is 375.6523 to four significant figures.
375.0
375.00
375.7
375.6
What is 7.555 rounded to two significant figures.
7.6
7.5
70
76
Round 8,775 to three significant figures.
877
8,770
8,780
8,770
the weight of a potatoes is 25 kg correct to the nearest kG /write down the smallest possible weight of the of bag /and also in largest
smallest24.5/largest25.5
smallest23.6/largest29.5
smallest24.5/largest25.5kg
kjjnejneqovmqeo
find the upper and lower bounds in each case 305 (nearest 5)
300≤305<310
302.5≤305<307.5
What is the upper bound and lower bound of 390 grams, measured to the nearest 10 grams?
395 and 385
390.5 and 389.5
400 and 300
400 and 350
A bag of flour has a mass of 1500 g (to the nearest 10 g). Find the maximum mass of 10 bags of flour.
15050 g
15000.5 g
15000 g
15050 kg
If A = CB what is the maximum and minimum value of A, if B is 100m correct to the nearest 5 m and C is 10 m correct to the nearest meter?
10.79 cm2 and 9.28 cm2
10.78 cm2 and 9.29 cm2
10.79 cm2 and 9.29 cm2
10.78 cm2 and 9.28 cm2
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
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
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
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
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
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
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
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
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
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
