Metric System

Prefixes

100

Means thousandth

milli-

200

Means hundredth

centi-

300

Means hundredth

deci-

400

Means hundred

hecto-

500

Means ten

deka-

Linear

100

.001 meter

millimeter

200

.01 meter

centimeter

300

.1 meter

decimeter

400

10 meters

dekameter

500

100 meters

hectometer

Weight

100

.001 gram

milligram

200

.01 gram

centigram

300

.1 gram

decigram

400

10 grams

dekagram

500

100 grams

hectogram

Capacity

100

.001 liter

milliliter

200

.01 liter

centiliter

300

.1 liter

deciliter

400

10 liters

dekaliter

500

100 liters

hectoliters

Area

100

1 square meter is how many square centimeters?

10,000

200

1 hectare is how many square meters

10,000 

300

1 square kilometer is how many hectares

100 

400

To change from a larger unit to a smaller unit, do you add, subtract, or multiply?

multiply

500

To change from a smaller unit to a larger unit, what do you do?

divide