Converting Units and Density(9-11-13)

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Transcript Converting Units and Density(9-11-13)

Ladder Method
1
2
KILO
1000
Units
HECTO
100
Units
3
DEKA
10
Units
DECI
0.1
Unit
Meters
Liters
Grams
How do you use the “ladder” method?
1st – Determine your starting point.
2nd – Count the “jumps” to your ending point.
3rd – Move the decimal the same number of
jumps in the same direction.
CENTI
0.01
Unit
MILLI
0.001
Unit
4 km = _________ m
Starting Point
Ending Point
How many jumps does it take?
4. __. __. __. = 4000 m
1
2
3
Conversion Practice
Try these conversions using the ladder method.
1000 mg = _______ g
1 L = _______ mL
160 cm = _______ mm
14 km = _______ m
109 g = _______ kg
250 m = _______ km
Compare using <, >, or =.
56 cm
6m
7g
698 mg
Metric Conversion Challenge
Write the correct abbreviation for each metric unit.
1) Kilogram _kg_
4) Milliliter _ml__
7) Kilometer _km_
2) Meter _____
5) Millimeter _____
8) Centimeter _____
Go to this site:
3) Gram _____ 1.http://www.quia.com/rr/96635.html
6) Liter _____
9) Milligram _____
2.http://www.quia.com/rr/742147.html
Try these conversions, using the ladder method.
1.Use
 mL
Lol, ttyl
10) 2000 mg = _______
g your
15) 5ladder!!!!!
L = _______
20)
16 cm = _______ mm
11) 104 km = _______ m
16) 198 g = _______ kg 21) 2500 m = _______ km
12) 480 cm = _____ m 17) 75 mL = _____ L
22) 65 g = _____ mg
13) 5.6 kg = _____ g
18) 50 cm = _____ m
23) 6.3 cm = _____ mm
14) 8 mm = _____ cm
19) 5.6 m = _____ cm
24) 120 mg = _____ g
Go to next
slide
Screenshot Correct Answers in blue boxes
Shh… Mason will
do first example
with you
Screenshot Correct Answers in blue boxes
Screenshot Correct Answers in blue boxes
* Click
Screenshot answers for cloze here!
* Click
Click this link and screenshot steps
here
Screenshot single step answers here
Apply what you just learned and solve 5
different analysis problems, screenshot
below!… if you are struggling use slides 6 and
7.
Screenshot by hitting
“shift- apple- 4”
highlight
picture and it saves to
desktop, drag picture
Into power Point

Here is a great way to convert from any unit to another….from
pounds to kilograms…. Seconds to year… whatev..
1. Get out a piece of notebook paper!
Draw these lines… label
them big fat fractions
Lets start with an easy conversion example: 20 pounds= _____ kilograms
Units you want
We want this
________ Kg
Units you
are given
They give us
this
20 lbs
Conversion
Factors
Conversion Factor=
1 kg= 2.2 lbs
Here is our given
conversion factors
1 Kg
2.2 lbs
We put lbs on the
bottom to cancel it
NEXT PAGE 
They give us
this
20 lbs
________ Kg
Here is our given
conversion factors
1 Kg
2.2 lbs
The units you want is now left over… but what do we do
with the #’s
Math Rules
1. If one number is on top and another is on the bottom you divide the numbers
2. If they are both on top you multiply
9.09
kg Kg =
________
20 lbs
2.2 lbs
=
9.09 kg
Try This:
http://www.youtube.com/watch?v=5CdOVlyB
Oio&feature=related
I will log you in.
We put lbs on the
bottom to cancel it
Converting using BIG FAT FRACTIONS
http://www.quia.com/quiz/3804326.html
Beat this game for
BIG MONEY!!!!!!
10 dollars!!!!!
When you win put
your screenshots
here
Metric Ordered List
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