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# The Metric System

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An introduction to Metric measurements and prefixes, some real life examples, and comparisons with the Imperial systems.

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### The Metric System

1. 1. The Metric System
2. 2. Terminology <ul><li>Milli = </li></ul><ul><ul><li>e.g. 1 milli metre is of a metre </li></ul></ul><ul><li>Centi = </li></ul><ul><ul><li>e.g. 1 centi metre is of a metre </li></ul></ul><ul><li>Kilo = 1000 </li></ul><ul><ul><li>e.g. 1 kilo metre is 1000 metres </li></ul></ul>
3. 3. Length <ul><li>Based on the METRE </li></ul><ul><li>1000 m is a kilometre </li></ul><ul><li>100 cm is a metre </li></ul><ul><li>10 mm is a cm </li></ul>
4. 4. Weight <ul><li>Based on the GRAM or KILOGRAM. </li></ul><ul><li>1000 grams in a kilogram </li></ul><ul><li>1000 milligrams in a gram </li></ul>
5. 5. Volume & Capacity Measured in METRES CUBED or LITRES. 0.1 m 3 = 1 litre = 1 litre is as much water as can be held in a square tub with sides of 10 cm. 1litre of water weighs 1kg. There are 1000 millilitres in a litre. 10 cm 10 cm 10 cm
6. 6. Rough guide to Imperial vs. Metric 1 litre just over 2 pints Capacity 1 kilogram 3.5 ounces or just over 2 pounds 30 grams 1 ounce 450 grams 1 pound 6.5 kilograms 1 stone Weight 1 metre 3 feet or 1 yard 2.5 cm 1 inch 1 km just over a mile Length
7. 7. Everyday Measurements a car 1500 kg a person 70 kg 2 litre bottle of pop 2 kg bag of crisps 30 g Weight A can of pop 330 ml Capacity a large bottle of pop 2 litre a typical car petrol tank 60 litre 10 – 15 minute walk ITeC to town centre 1 km width of finger nail 1 cm Length 5 ml 1 m a teaspoon Volume/ A stride Arm to shoulder length Height of door handle from floor
8. 8. The Metric Person 1.6 m tall 1 m long stride 20 cm hand span 1 m long arms 70 kg in weight 1 cm wide finger nails
9. 9. Length Millimetre mm There are millimetres in a centimetre Centimetre cm There are centimetres in a metre Metre m There are metres in a kilometre 10 100 1000
10. 10. Weight Milligram mg There are milligrams in a gram Gram g There are grams in a kilogram 1000 1000
11. 11. Volume Millilitre ml There are millilitres in a litre Litre l There are litres in a kilolitre 1 litre is the same as m 3 1000 1000 0.1