Metric, aka International

System of Units (SI)

Why Metric?

• Standardized method of measurement

• Used worldwide( except in the USA)

• Only method of measurement used in the scientific community

• Easier to convert from one unit to another.

METER Stick

Ladder Method

Works when the units are multiples of 10

Solve: 1000 mm = _______ m

1. You start at milli on the ladder and climb “up” until you reach the basic unit (m)

2. Move the decimal point to the left the same number you moved up the ladder

1000. mm = 1.0 m

More Problems

• Convert

• 450 ML

• 25.987m

• 760kg

• To

• Liters

• Km

• mg

More questions to think about…

• What unit would you use to measure the length of your pencil?

• What unit would you use to measure the thickness of the lead in your pencil?

• What unit would you use to measure the distance from your desk to the door?