Metric NotesMetric Notes

Metric System- Metric System- Scientific Scientific

System of MeasurementSystem of Measurement

• The liter (L) is the base unit of volume.

BASIC UNITS OF THE METRIC SYSTEM

• The meter (m) is the base unit of length.

• The gram (g) is the base unit of mass.

Prefixes

PrefixPrefix SymbolSymbol Meaning in Meaning in wordswords

MeaningMeaning in in

numbersnumbers

KiloKilo kk ThousandThousand 1,0001,000

HectoHecto hh HundredsHundreds 100100

DekaDeka dada TensTens 1010

DeciDeci dd TenthsTenths .1.1

CentiCenti cc HundredthsHundredths .01.01

MilliMilli mm ThousandthsThousandths .001.001

To convert from one unit to another is like following directions on a map.

Converting Units

Which way?Left or Right?

When going from a smaller unit to a larger unit, you move Left on the map and the decimal moves to the LEFT . However, the actual number decreases.

Going Left???

When going from a larger unit to a smaller unit, you move RIGHT on the map and the decimal moves to the RIGHT . However, the actual number increases.

Going Right???

Let’s take a look!!!

MilliKilo Deka Basic Unit Deci CentiHecto

King Henry Died By Drinking Chocolate Milk

LitersMetersGrams

Practice Time

4.5 m = ? cm

What to do first in the problem

4.5 m = __ cm ?

Basic Unit Deci Centi MilliDekaHectoKilo

Start at Meters and move to the Right to Centimeters. Decimal place moves to the RIGHT two spaces.

4.5. ..

As you move the decimalyou will need to add zeros.

4 . 5 0 .

Is this your Final Answer?

4.5 m = 450 cm

Let’s do another one!

6.6 liters = _____ mL

What to do first in the problem

6.6 L = __ mL ?

Basic Unit Deci Centi MilliDekaHectoKilo

Start at Liters and move to the Right to Millileters. Decimal place moves to the RIGHT three spaces.

6.6. .. .

Check your answer!

6.6 liters = 6,600 mL

Let’s Go the Other Way!

3,580 mm = _______ m?

Let’s move to the left this time.3,580mm = ___________m?

Basic Unit Deci Centi MilliDekaHectoKilo

Start at Millimeters and move to the Left to Meters. Decimal place moves to the LEFT three spaces.

3 5 8 0. .. .

Check your answer:

3,580mm = 3.58m

Quiz Time

1. 28 cm = ? mm2. 438 cm = ? m3. 72 g = ? mg4. 202 g = ? kg5. 2L = ? mL

How did We do??

1. 28 cm =

280 mm2. 438 cm =3. 72 g =4. 202 g =5. 2 L =

4.38 m72,000 mg0.202 kg2,000 mL

Yeah!!!Yeah!!!

We Are Done