1
1 The length, l cm, of a bicycle is 96 cm, correct to the nearest centimetre.
Complete this statement about the value of l.
....................... ....................... [2]
[Total: 2]
2 The mass of an aircraft, m tonnes, is 473 tonnes, correct to the nearest tonne.
Complete this statement about the value of m.
.............................. .............................. [2]
[Total: 2]
3 The height, h metres, of a fence post is 2.43 m, correct to the nearest centimetre.
Complete the statement about the value of h.
.................... .................... [2]
[Total: 2]
4 The mass, m tonnes, of wheat grown in 2021 is 4.3 tonnes, correct to 1 decimal place.
Complete this statement about the value of m.
.............................. .............................. [2]
[Total: 2]
2
5 The length, l cm, of a sheet of paper is 29.7 cm, correct to the nearest millimetre.
Complete this statement about the value of l.
.............................. .............................. [2]
[Total: 2]
6 A rectangular picture has length 15 cm and width 10.5 cm, both correct to the nearest 5 mm.
Calculate the upper bound for the area of this picture.
................................................... cm2 [2]
[Total: 2]
7 The length, l metres, of a piece of rope is 5.67 m, correct to the nearest centimetre.
Complete this statement about the value of l.
............................. ............................. [2]
[Total: 2]
8 The sides of a regular hexagon are 80 mm, correct to the nearest millimetre.
Calculate the lower bound of the perimeter of the hexagon.
................................................... mm [2]
[Total: 2]
3
9 The distance between two towns is 600 km, correct to the nearest 10 km.
A car takes 8 hours 40 minutes, correct to the nearest 10 minutes, to travel this distance.
Calculate the lower bound for the average speed of the car in km/h.
................................................... km/h [3]
[Total: 3]
10 The mass, m grams, of a ball is 415 g, correct to the nearest 5 grams.
Complete the statement about the value of m.
.............................. .............................. [2]
[Total: 2]
11 The height, h metres, of a tower is 76.3 m, correct to 1 decimal place.
Complete this statement about the value of h.
.............................. .............................. [2]
[Total: 2]
4
12
w = 12 correct to the nearest whole number.
h = 4 correct to the nearest whole number.
Work out the upper bound for the value of P.
................................................... [2]
[Total: 2]
13 Ella’s height is 175 cm, correct to the nearest 5 cm.
Write down the upper bound of Ella’s height.
................................................... cm [1]
[Total: 1]
14 The mass, m grams, of a banana is 115 g, correct to the nearest 5 g.
Complete the statement about the value of m.
.............................. .............................. [2]
[Total: 2]
15 The space allowed for each tent in a campsite is a rectangle measuring 8 m by 6 m, each correct to the nearest
metre.
Calculate the upper bound for the area of the space allowed for each tent.
................................................... m2 [2]
[Total: 2]
5
16 The amount of fuel, t litres, in a boat’s fuel tank is 135 litres, correct to the nearest litre.
Complete the statement about the value of t.
.............................. .............................. [2]
[Total: 2]
17 The length of a truck, L metres, is 8.2 m, correct to 1 decimal place.
Complete this statement about the value of L.
.............................. .............................. [2]
[Total: 2]
18 Genaro measures the length, l cm, of his desk as 120 cm, correct to the nearest centimetre.
Complete the statement about the value of l.
.............................. .............................. [2]
[Total: 2]
6
19
A = 10, correct to the nearest whole number.
h = 4, correct to the nearest whole number.
Work out the upper bound for the value of b.
................................................... [3]
[Total: 3]
20 Zach goes on holiday.
The mass, m kilograms, of his suitcase is 23.5 kg, correct to the nearest 500 g.
Complete this statement about the value of m.
.............................. .............................. [2]
[Total: 2]
21 Every page of a newspaper is a rectangle measuring 43 cm by 28 cm, both correct to the nearest centimetre.
Calculate the upper bound of the area of a page.
................................................... cm2 [2]
[Total: 2]
7
22 The width, w metres, of a room is 4.2 metres, correct to the nearest 10 centimetres.
Complete this statement about the value of w.
.............................. .............................. [2]
[Total: 2]
23 Priya has 50 identical parcels.
Each parcel has a mass of 17 kg, correct to the nearest kilogram.
Find the upper bound for the total mass of the 50 parcels.
................................................... kg [1]
[Total: 1]
24 An equilateral triangle has side length 12 cm, correct to the nearest centimetre.
Find the lower bound and the upper bound of the perimeter of the triangle.
Lower bound = ................................................... cm
Upper bound = ................................................... cm [2]
[Total: 2]
8
25 Saafia has a barrel containing 6000 millilitres of oil, correct to the nearest 100 ml.
She uses the oil to fill bottles which each hold exactly 50 ml.
Calculate the upper bound for the number of bottles she can fill.
................................................... [2]
[Total: 2]
26 The area of a square is 42.5 cm2, correct to the nearest 0.5 cm2.
Calculate the lower bound of the length of the side of the square.
................................................... cm [2]
[Total: 2]
27 The number, n, is given as 5300, correct to 2 significant figures.
Complete this statement about the value of n.
.............................. .............................. [2]
[Total: 2]
28 The height, h metres, of a boy is 1.72 m, correct to the nearest centimetre.
Complete this statement about the value of h.
.................... .................... [2]
9
[Total: 2]
29 The mass, m kilograms, of a package is 6.2 kg, correct to 1 decimal place.
Complete the statement about the value of m.
.............................. .............................. [2]
[Total: 2]
30 Jo measures the length of a rope and records her measurement correct to the nearest ten centimetres.
The upper bound for her measurement is 12.35 m.
Write down the measurement she records.
................................................... m [1]
[Total: 1]
31 Anna walks 31 km at a speed of 5 km/h.
Both values are correct to the nearest whole number.
Work out the upper bound of the time taken for Anna’s walk.
................................................... hours [2]
[Total: 2]
