Measurement (length, mass, capacity)

Converting and comparing metric measurements

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Try each question. If you're stuck, leave it and come back. The answer key is on the last page.

1
How many centimetres are in 1 metre? A) 10 B) 100 C) 1,000 D) 50
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2
Convert 3 kilometres to metres. 3 km = ___ m
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3
Which unit would you use to measure the mass of an apple? A) kilometres B) grams C) litres D) centimetres
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4
Is this statement true or false? 500 ml is the same as half a litre. A) True B) False
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5
Put these lengths in order from shortest to longest. Put these in order: 5 mm, 2 cm, 150 cm, 2 m
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6
A bag of flour weighs 2.5 kg. How many grams is that? 2.5 kg = ___ g
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7
A pencil is 17 cm long. What is that in millimetres? A) 17 mm B) 170 mm C) 1,700 mm D) 1.7 mm
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8
A fish tank holds 8 litres of water. Priya pours in 4,500 ml. How many more millilitres does she need to fill it? She needs ___ ml more.
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9
A recipe needs these ingredients. Put them in order from lightest to heaviest. Put these in order: 50 g butter, 0.25 kg sugar, 1,200 g flour, 2 kg potatoes
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10
A water bottle holds 1.25 L. Sara drinks 450 ml. How much is left, in ml? Water left = ___ ml
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Answer key

Measurement (length, mass, capacity) · for parents and teachers

1
100
There are 100 centimetres in 1 metre.
2
3,000
3 km x 1,000 = 3,000 m.
3
grams
Grams (g) are used for measuring the mass of light objects like an apple.
4
True
1 litre = 1,000 ml, so half a litre = 500 ml.
5
5 mm, 2 cm, 150 cm, 2 m
5 mm = 5 mm, 2 cm = 20 mm, 150 cm = 1,500 mm, 2 m = 2,000 mm.
6
2,500
2.5 kg x 1,000 = 2,500 g.
7
170 mm
17 cm x 10 = 170 mm.
8
3,500
8 litres = 8,000 ml. 8,000 - 4,500 = 3,500 ml more needed.
9
50 g butter, 0.25 kg sugar, 1,200 g flour, 2 kg potatoes
50 g, 250 g (0.25 kg), 1,200 g, 2,000 g (2 kg).
10
800
1.25 L = 1,250 ml. 1,250 - 450 = 800 ml.