For KS3 Maths you'll need to understand both imperial and metric units of measurement. Imagine calculating the area of some shapes in metric units like centimetres or metres. Now convert your answers to imperial. How many centimetres make an inch or how many yards in a metre? Hopefully, this quiz will make things simple.
Metric units are all based on powers of ten like 100s or 1,000s. They include metres, kilograms and litres. They're based on decimalsisation because tens are so much easier to work with. The older, and now mostly outdated, imperial system has units such as yards, pounds and pints with seemingly random values. Despite this, the old system is still in use and you will most certainly have come across pounds and ounces, miles or the Fahrenheit temperature scale. It is useful to know some rough metric equivalents of common imperial units. That will make your life so much easier. Here is a list of some approximate equivalent values:
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- 1kg = 2.2lb
- 1 litre = 1.75 pints
- 1 gallon = 4.5 litres
- 5 miles = 8km
- 1 inch = 2.54cm
- 1 foot = 30cm
- 12 inches in a foot
- 16 ounces in a pound (lb)
- 14lb in a stone
Now you just need to get some practise. This Maths quiz should help!
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1.
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Which is further: 10 miles or 10 kilometres? |
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| [ ] |
10 kilometres |
| [ ] |
10 miles |
| [ ] |
They are the same |
| [ ] |
None of the above |
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2.
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Adam is 6 feet 4 inches tall, approximately how tall is he in metres and centimetres? |
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| [ ] |
1 m 64 cm |
| [ ] |
1 m 80 cm |
| [ ] |
1 m 90 cm |
| [ ] |
2 m 10 cm |
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3.
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Which is the largest weight of the following? |
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| [ ] |
2 kg |
| [ ] |
7 lbs |
| [ ] |
1,860 g |
| [ ] |
17 oz |
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4.
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An imperial gallon of petrol contains approximately how many litres? |
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| [ ] |
1.6 |
| [ ] |
4.5 |
| [ ] |
5.4 |
| [ ] |
6.1 |
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5.
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An ounce weighs approximately how many grams (g)? |
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| [ ] |
2.8 g |
| [ ] |
8.2 g |
| [ ] |
28 g |
| [ ] |
82 g |
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6.
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A Formula One race must exceed 305 kilometres. Approximately how far is this in miles? |
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| [ ] |
90 miles |
| [ ] |
190 miles |
| [ ] |
290 miles |
| [ ] |
390 miles |
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7.
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Choose the largest drink from the following. |
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| [ ] |
1 gallon of orange juice |
| [ ] |
1 pint of milk |
| [ ] |
1 litre of water |
| [ ] |
2,000 ml of tea |
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8.
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A fuel tank holds 45 litres. Approximately how many pints will it hold? |
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| [ ] |
40 pints |
| [ ] |
80 pints |
| [ ] |
120 pints |
| [ ] |
160 pints |
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9.
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John buys 10 kilograms of potatoes. Approximately how much does he have to carry home in ounces? |
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| [ ] |
253 ounces |
| [ ] |
352 ounces |
| [ ] |
523 ounces |
| [ ] |
532 ounces |
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10.
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One yard equals three feet. How many inches are approximately equal to one metre? |
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| [ ] |
30 inches |
| [ ] |
33 inches |
| [ ] |
36 inches |
| [ ] |
39 inches |
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|
1.
|
Which is further: 10 miles or 10 kilometres? |
|
| [ ] |
10 kilometres |
| [x] |
10 miles |
| [ ] |
They are the same |
| [ ] |
None of the above |
|
|
|
2.
|
Adam is 6 feet 4 inches tall, approximately how tall is he in metres and centimetres? |
|
| [ ] |
1 m 64 cm |
| [ ] |
1 m 80 cm |
| [x] |
1 m 90 cm |
| [ ] |
2 m 10 cm |
|
|
|
3.
|
Which is the largest weight of the following? |
|
| [ ] |
2 kg |
| [x] |
7 lbs |
| [ ] |
1,860 g |
| [ ] |
17 oz |
|
|
|
4.
|
An imperial gallon of petrol contains approximately how many litres? |
|
| [ ] |
1.6 |
| [x] |
4.5 |
| [ ] |
5.4 |
| [ ] |
6.1 |
|
|
|
5.
|
An ounce weighs approximately how many grams (g)? |
|
| [ ] |
2.8 g |
| [ ] |
8.2 g |
| [x] |
28 g |
| [ ] |
82 g |
|
|
|
6.
|
A Formula One race must exceed 305 kilometres. Approximately how far is this in miles? |
|
| [ ] |
90 miles |
| [x] |
190 miles |
| [ ] |
290 miles |
| [ ] |
390 miles |
|
|
|
7.
|
Choose the largest drink from the following. |
|
| [x] |
1 gallon of orange juice |
| [ ] |
1 pint of milk |
| [ ] |
1 litre of water |
| [ ] |
2,000 ml of tea |
|
|
|
8.
|
A fuel tank holds 45 litres. Approximately how many pints will it hold? |
|
| [ ] |
40 pints |
| [x] |
80 pints |
| [ ] |
120 pints |
| [ ] |
160 pints |
|
|
|
9.
|
John buys 10 kilograms of potatoes. Approximately how much does he have to carry home in ounces? |
|
| [ ] |
253 ounces |
| [x] |
352 ounces |
| [ ] |
523 ounces |
| [ ] |
532 ounces |
|
|
|
10.
|
One yard equals three feet. How many inches are approximately equal to one metre? |
|
| [ ] |
30 inches |
| [ ] |
33 inches |
| [ ] |
36 inches |
| [x] |
39 inches |
|
|
