Canada Grade 8 Math Units of measurement (metric and imperial)

What is the metric unit for measuring length?

• Inch

• Metre

• Foot

• Yard

Answer explanation

The metric unit for measuring length is the metre. Unlike the inch, foot, and yard, which are imperial units, the metre is part of the International System of Units (SI) and is widely used globally.

How many millilitres are there in 1 litre?

• 10

• 100

• 1000

• 10000

Answer explanation

There are 1000 millilitres in 1 litre, as 1 litre is equivalent to 1000 millilitres. Therefore, the correct answer is 1000.

Convert 5 kilometres to metres.

• 50

• 500

• 5000

• 50000

Answer explanation

To convert kilometres to metres, multiply by 1000. Therefore, 5 kilometres is 5 x 1000 = 5000 metres. The correct answer is 5000.

Which of the following is an imperial unit of weight?

• Kilogram

• Gram

• Pound

• Tonne

Answer explanation

The pound is an imperial unit of weight commonly used in the United States and the UK. In contrast, kilogram, gram, and tonne are metric units of weight.

What is the freezing point of water in degrees Celsius?

• 0°C

• 32°C

• 100°C

• 212°C

Answer explanation

The freezing point of water is 0°C. This is the temperature at which water transitions from liquid to solid. The other options, 32°C, 100°C, and 212°C, correspond to different states of water or are incorrect.

How many centimetres are there in 1 metre?

• 10

• 100

• 1000

• 10000

Answer explanation

There are 100 centimetres in 1 metre. This is a standard conversion in the metric system, where 1 metre is defined as equal to 100 centimetres.

Convert 2.5 kilograms to grams.

• 250

• 2500

• 25000

• 250000

Answer explanation

To convert kilograms to grams, multiply by 1000. Thus, 2.5 kg x 1000 = 2500 grams. Therefore, the correct answer is 2500.

Which of the following is a metric unit of volume?

• Gallon

• Pint

• Litre

• Quart

Answer explanation

The litre is a metric unit of volume, commonly used in the metric system. Gallon, pint, and quart are all imperial units of volume, making litre the correct choice.

How many inches are there in 1 foot?

• 10

• 12

• 14

• 16

Answer explanation

There are 12 inches in 1 foot. This is a standard conversion in the imperial system of measurement, making 12 the correct answer.

Convert 3 miles to kilometres, given that 1 mile is approximately 1.609 kilometres.

• 4.827

• 5.827

• 6.827

• 7.827

Answer explanation

To convert miles to kilometres, multiply by 1.609. Thus, 3 miles x 1.609 = 4.827 kilometres. Therefore, the correct answer is 4.827.