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# “I am 10 times better than the English system of measurement.” - PowerPoint PPT Presentation

The Metric System. “I am 10 times better than the English system of measurement.”. The Metric System. The metric system is a measurement system based on our decimal (base 10) number system, making it very easy to use.

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Presentation Transcript

“I am 10 times better than the English system of measurement.”

• The metric system is a measurement system based on our decimal (base 10) number system, making it very easy to use.

• Most other countries and all scientists and engineers use the metric system for measurement.

(This is why the metric system is also called

“THE SYSTEM INTERNATIONALE”)

• Basic units:

• METER (length)

• GRAM (mass)

• LITER (volume)

Burma

Liberia

• The basic units are METERS, GRAMS, and LITERS

• The metric system also uses prefix modifiers that are multiples of 10.

• Meters measure length or distance

• A meter is about the width of a doorway

• The value of the prefix “centi” is 1/100th

• How many centimeters are in 1 meter?

• One centimeter is about the width of a large paper clip

• or the width of your pinky

• fingernail

• The value of the prefix “milli” is 1/1000th

• One millimeter is about the thickness of a dime.

• How many millimeters are in one meter?

• The value of the prefix “kilo” is 1,000

• How many meters are in

one kilometer?

• 1.6 kilometers is about 1 mile

• A kilometer is about six city blocks or 10 football fields.

• Grams are used to measure the mass of an object.

• Mass is similar to weight

• 1 gram is the mass of a small paper clip.

• The value of the prefix “kilo” is 1,000

• 1 kilogram weighs about as much as 6 apples or 2 pounds.

• How many grams are in one kilogram?

• The value of the prefix “milli” is 1/1000th

• A milligram weighs about as much as a grain of salt.

• How many milligrams are in one gram?

• Liters are used to measure the amount of space (volume) that a liquid occupies.

• 1 liter is half of a 2 liter bottle of Coke or other soda.

• A liter is a little bit larger than a quart.

2 Liter Soda

• 1 milliliter is about the amount of one eyedropper full of liquid.

• The value of the prefix “milli” is 1/1000th

• How many milliliters are in one liter?

• How many 2 liter bottles would make up one kiloliter?

use to measure each of

the following items?

km m cm mm

km g cL mg

L m cL mg

L m cL mg

kg g cL mg

kg g cL mg

kg g mm mg

Soup

kL L mm mL

kL L cL mL

km m cm mL

km m cm mm

km m cm mm

Changing Metric Units bracelet?

• To change from one unit to another in the metric system you simply multiply or divide by a power of 10.

### To change from a larger unit to a smaller unit, you need to multiply.

1 km x 1000 = 1000 m

1 m x 100 = 100 cm

1 cm x 10 = 10mm

Place Values of Metric Prefixes multiply.

Movethe decimal point to the right to multiply.

### To change from smaller units to larger units you divide by a power of ten.

1000mm ÷ 10 = 100cm

100cm ÷ 10 = 10dm

10dm ÷ 10 = 1m

Place Values of Metric Prefixes power of ten.

Movethe decimal point to the left to divide.

Sorry! power of ten.

• That is not the BEST choice!

Try again!

You're on a roll!! power of ten.

Thumbs up! power of ten.

You are first rate!! power of ten.

Way to shine! power of ten.

Awesome job! power of ten.