Fill in the missing unit to make each statement correct.
(a)1,000 metres = 1 ________.(1)
(b)1,000 grams = 1 ________.(1)
4
Sophie runs 4.8 kilometres. How many metres did she run?
(2)
5
A recipe needs 250 grams of flour. Kwame has a 1 kilogram bag. How many recipes can he make using the whole bag?
(2)
6
Convert these measurements of capacity.
(a)750 millilitres to litres.(1)
(b)2.4 litres to millilitres.(1)
7
A container holds 3.6 litres of paint. Sam uses 450 millilitres on one wall. How many full walls can he paint with the container?
(2)
8
Which is heavier: 2.5 kilograms or 2,500 grams? Explain your answer in one sentence.
(2)
9
Convert 5 kilometres into metres.
(1)
10
A ribbon is 125 centimetres long. How many metres and centimetres is this?
(2)
11
A school swimming pool is filled with 12,000 litres of water each week. How many kilolitres is this?
(2)
12
Priya says that 1 inch is exactly 2.5 centimetres. Is she correct? Explain your answer using an approximate imperial to metric conversion.
(2)
13
A brass lamp weighs 2.75 kilograms. Write this weight in grams.
(1)
14
Choose the best estimate in metres of the length of a school classroom: 3 m, 7 m, or 30 m? Explain your choice in one sentence.
3 m
7 m
30 m
15
A parcel is 40 cm by 30 cm by 20 cm. Find its volume in cubic centimetres.
(2)
16
Oliver cycles 12.5 kilometres to football practice and back the same way. What distance does he travel in metres?
(1)
17
A child measures the length of a pencil as 18 cm. Convert this length to millimetres.
(2)
18
Explain why 1 mile is often given as about 1.6 kilometres. Your explanation should show the conversion and say whether it is exact or an approximation.
(3)
Mark scheme · KS2.M-Y5M1 Measurement: Metric and Imperial Units
Question 1
(a) B1 metre cao
(a) Answer: metre
Question 2
(a) B1 350 cm cao
(a) Answer: 350
(b) B1 7.2 m cao
(b) Answer: 7.2
Question 3
(a) B1 kilometre cao
(a) Answer: kilometre
(b) B1 kilogram cao
(b) Answer: kilogram
Question 4
M1 4.8 x 1000 = 4800 or method seen
B1 4,800 m cao
Answer: 4,800
Question 5
M1 1000/250 = 4 method seen
B1 4 cao
Answer: 4
Question 6
(a) B1 0.75 L cao
(a) Answer: 0.75
(b) B1 2400 ml cao
(b) Answer: 2400
Question 7
M1 Convert to same units and divide: 3600/450 = 8 seen
B1 8 cao
Answer: 8
Question 8
M1 Shows conversion or equality, e.g. 2.5 kg = 2500 g seen
B1 Statement that they are equal or same weight cao
Answer: They are the same weight; 2.5 kg = 2500 g.
Question 9
B1 5000 m cao
Answer: 5000
Question 10
M1 Shows dividing by 100 to get metres and remainder in cm
B1 1 m 25 cm cao
Answer: 1 m 25 cm
Question 11
M1 12,000 / 1000 = 12 shown
B1 12 kL cao
Answer: 12
Question 12
M1 Gives an approximate value showing 1 in is about 2.54 cm or states not exact
B1 Concludes that 2.5 cm is a close approximation but not exact cao
Answer: Not exactly. 1 in is about 2.54 cm, so 2.5 cm is a close approximation but not exact.
Question 13
B1 2750 g cao
Answer: 2750
Question 14
M1 Gives a reason showing realistic room size, e.g. desks fit and measurements compared
B1 7 m chosen with a sensible explanation cao
Answer: 7 m
Question 15
M1 Uses multiplication 40 x 30 x 20 seen
B1 24,000 cm3 cao
Answer: 24000
Question 16
B1 25000 m cao
Answer: 25000
Question 17
M1 18 x 10 = 180 seen
B1 180 mm cao
Answer: 180
Question 18
M1 States the exact conversion or a known conversion factor, e.g. 1 mile = 1609 m or 1.609 km
M1 Explains that 1.6 km is a rounded value from 1.609 km (shows subtraction or rounding idea)
B1 Concludes that 1.6 km is an approximation, not exact cao
Answer: 1 mile = 1,609 m which is 1.609 km, so 1.6 km is a rounded approximation; it is not exact.