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BIRKDALE HIGH SCHOOL Converting between Metric unitsPowerPoint Presentation

BIRKDALE HIGH SCHOOL Converting between Metric units

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Aim of the lesson: To teach a method for converting between metric units

BIRKDALE HIGH SCHOOL

Converting between Metric units

Metres m

Length

The length of a lorry is about 20 m

The distance to London is about 50 Km

The height of a man is 176 cm

The length of the needle is 21 mm

Mass

The mass of a sheet of paper is about 1 gramme

The mass of the man is 67 Kg

The mass of the drug in the medicine is 4 mg

Litres l

Capacity

A large bottle of coke is 1 l

The oil lorry holds about 3 Kl

The thimble holds about 1 ml

Are a

Area

The class room is about 1 are

The football field is about ½ Hectare

An desk top in class is about 4 centiares

Using the table to convert between metric units

= 420 cm

Change 4·2 metres (m) to centimetres (cm)

4 . 2 0 0 0

- Change:
- 45·2 m → cm
- 7·9 ares → milliares
- 0·07 g → cg
- 0·123 m → mm
- 2 litres → centilitres

4520

7900

7

123

200

Left click to see answers

- Change:
- 45·2 m → km
- 7900 ares → hectares
- 73·4 g → kg
- 123 m → km
- 20000 litres → kilolitres

0·0452

79

0·0734

0·123

20

Left click to see answers

You can use this table to convert between any of these metric units as long as you remember:

- Count the number and direction from the starting unit to the finishing unit

- Move the decimal in the same way

- Change: metric units as long as you remember:
- 45·2 hm → km
- 7900 milliares → centiares
- 73·4 mg → g
- 123 km → hm
- 20 millilitres → litres

0·452

790

0·0734

1230

0·02

Left click to see answers

Learn the table – it is VERY important metric units as long as you remember:

Vocabulary: Kilo Hecta Deka

Deci Centi Milli

Gramme Are Litre

Metre Metric

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