Quantities and Unit Conversions

All measurements are always a multiple of some basic unit.

Quantities

• There are 2 parts in measurements: the number and the unit.
• The number + the unit = quantities.
• SI (Systeme Internationale) - a French system that uses powers of 10.

SI Base Units

Conversions

• Use the "magic one" to convert between units.

EXAMPLE:

5cm x (1m/ 100cm) = 0.05m

Note: You need to keep track of what you're doing. Don't skip steps because that may lead to careless mistakes.

SI Prefixes and Conversion factors

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