Teaching mathematics
1.4 Useful ‘rough’ metric to imperial equivalences
Below is a list of useful ‘rule of thumb’ equivalences between metric and imperial measures.
- 10 cm is about 4 inches
- 30 cm is about 12 inches = 1 foot
- 8 km is about 5 miles
- A litre of water is a pint and three-quarters.
- Two and a quarter pounds of jam, weighs about a kilogram.
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