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Recall of common units, along with understanding multiplication.

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In the second sentence for each part you can enter multiplication using an asterisk, for example $60\\times 12$ can be written as 60*12.

Avoid using commas or spaces between zeroes, for example ten thousand would be entered 10000.

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There are [[0]] millimetres in a centimetre, [[1]] centimetres in a metre and [[2]] metres in a kilometre.

From this we can calculate that there are [[3]] {distance[0]} in a {distance[1]}.

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Suppose you knew there were 100 centimetres in a metre and 1000 metres in a kilometre.

To determine how many centimetres are in a kilometre think \"there are 1000 metres in a kilometre, and each metre has 100 centimetres in it, therefore there are $1000\\times 100$ centimetres in a kilometre\".

You would normally write this as 100 000 but here you need to remove the space or write it as a multiplication, for example, 1000*100.

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There are [[0]] milliseconds in a second, [[1]] seconds in a minute, [[2]] minutes in an hour, and [[3]] hours in a day.

From this we can calculate that there are [[4]] {time[0]} in a {time[1]}.

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Suppose you knew there were 1000 milliseconds in a second and 60 seconds in a minute.

To determine how many milliseconds are in a minute think \"there are 60 seconds in a minute, and each second has 1000 milliseconds in it, therefore there are $60\\times 1000$ milliseconds in a minute\".

You would normally write this as 60 000 but here you need to remove the space or write it as a multiplication, for example, 60*1000.

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There are [[0]] milligrams in a gram, [[1]] grams in a kilogram, [[2]] kilograms in a tonne.

From this we can calculate that there are [[3]] {mass[0]} in a {mass[1]}.

Suppose you knew there were 1000 milligrams in a gram and 1000 grams in a kilogram.

To determine how many milligrams are in a kilogram think \"there are 1000 grams in a kilogram, and each gram has 1000 milligrams in it, therefore there are $1000\\times 1000$ milligrams in a kilogram\".

You would normally write this as 1 000 000 but here you need to remove the space or write it as a multiplication, for example, 1000*1000.

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There are [[0]] millilitres in a litre, [[1]] litres in a kilolitre and [[2]] litres in a megalitre.

From this we can calculate that there are [[3]] {capacity[0]} in a {capacity[1]}.

Suppose you knew there were 1000 millilitres in a litre and 1 000 000 litres in a megalitre.

To determine how many millilitres are in a megalitre think \"there are 1 000 000 litres in a megalitre, and each litre has 1000 millilitres in it, therefore there are $1\\,000\\,000\\times 1000 $ millilitres in a megalitre\".

You would normally write this as 1 000 000 000 but here you need to remove the space or write it as a multiplication, for example, 1000000*1000.

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