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Metric Metric ConversionsConversions
77thth Grade GradeMath OnlineMath Online
Blueprint SkillsBlueprint Skills
SPI 7.4.3SPI 7.4.3
Convert from oneConvert from one
unit to another withinunit to another within
the same systemthe same system
• The liter is the base unit of capacity in the metric system.
BASIC UNITS OF THE METRIC SYSTEM
• The meter is the base unit of length in the metric system.
• The gram is the base unit of mass in the metric system.
Prefixes
PrefixPrefix Meaning in Meaning in wordswords
Meaning Meaning inin
numbersnumbers
KiloKilo ThousandThousand 1,0001,000
HectoHecto HundredsHundreds 100100
DekaDeka TensTens 1010
DeciDeci TenthsTenths .1.1
CentiCenti HundredthsHundredths .10.10
MilliMilli ThousandthThousandthss
.100.100
To convert from one unit to another is like walking up and down steps.
Converting Units
Which way?Up or down?
When going from a smaller unit to a larger unit, you move UP the steps and the decimal moves to the LEFT .
Going Up???
When going from a larger unit to a smaller unit, you move DOWN the steps and the decimal moves to the RIGHT .
Going Down???
Let’s take a look!!!
Milli
Kilo
Deka
Basic Unit
Deci
Centi
Hecto
KingHenry
Died
ByDrinking
Chocolate
MilkBasic UnitLitersMetersGrams
UP steps,Decimals moveto the LEFT
Down steps,Decimals moveto the RIGHT
Practice Time
4.5 m = ? cm
What to do first in the problem
4.5 m = __ cm ?Find YOUR step, then move!!!
Basic
Deci
Centi
Milli
Deka
Hecto
Kilo Start here at Meters and Move DOWN to Centimeters. Decimal place moves to the RIGHT the same number of steps.*
*4.5
BasicLiterMeterGram
As you move the decimalyou will need to add zeros.
4 . 5 0 .
Is this your Final Answer?
4.5 m = 450 cm
Good Job!!
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 kg2,400 L
Yeah!!!Yeah!!!
We Are Done
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