Warm-upA television rating service reported that 23out of every 50 households watched SuperBowl XXX. Based on this ratio, how manyhouseholds in a neighborhood of 250 homeswatched Super Bowl XXX?

A. 105 B. 115

C. 177D. 200

23235050

== ____250250

SBSB

HH HHX 5

X 5 115

Converting Metric

Measures

King Henry of King Henry of Kilo was very Kilo was very particular about particular about the milk he the milk he drank. He loved drank. He loved to drink milk a to drink milk a little out of the little out of the ordinary. He ordinary. He searched and searched and searched his searched his kingdom for the kingdom for the best cows.best cows.

King Henry was so proud of the King Henry was so proud of the dairy cows that he had found that dairy cows that he had found that

he let them live in lovely green he let them live in lovely green pastures with sweet green grass.pastures with sweet green grass.

The metric pastures all had different types of grass so in Kilo you would see the cows jumping the fences to eat a different type of grass or play with their friends.

If the cow went from If the cow went from metermeter to to Kilo, Kilo, due to its excitementdue to its excitementto get a better meal, the cow would to get a better meal, the cow would jump over the fences. So count the jump over the fences. So count the number of fences the cow jumped to number of fences the cow jumped to help work the problem.help work the problem.

6 5 m = 6 5 m = _____km_____km

KKiilloo

HHeeccttoo

DDeekkaa

LLGGMM

DDeeccii

CCeennttii

MMiillllii

00 .065.065cowcow

KKiilloo

HHeeccttoo

DDeekkaa

LLGGMM

DDeeccii

CCeennttii

MMiillllii

If the cow was in the dekameter pasture If the cow was in the dekameter pasture and he decides to move to the decimeter and he decides to move to the decimeter pasture, he would have to jump 2 fence to pasture, he would have to jump 2 fence to the right.the right.

3 2 4 5 dkm = _______ dm3 2 4 5 dkm = _______ dmcowcow

.. 324.5324.5

To convert metric To convert metric measures, we can measures, we can use King Henry’s use King Henry’s

story to helpstory to help

kkinginghhenryenryddrinrinkkssLLightight

ggreenreen

mmilkilk

ddeadeadccowsowsmmakeake

cowcow

6 7 3 g = ______ mg 6 7 3 g = ______ mg 0 00 0673006730033

Lets see if the Lets see if the cow can help you cow can help you

convert metric convert metric measuresmeasures

kkinginghhenryenryddrinrinkkssLLightight

ggreenreen

mmilkilk

ddeadeadccowsowsmmakeake

1 2 1 L = ______ kL 1 2 1 L = ______ kL . 1 2 1. 1 2 1

33

5 7 2 m = ___ mm5 7 2 m = ___ mm005 7 2 05 7 2 0

33

What is the phrase from What is the phrase from the story that will help the story that will help us remember the order us remember the order of the metric measures?of the metric measures?

kking ing hhenry enry ddrinks rinks LLight ight ddead ead ccows ows mmakeake

ggreenreen

mmilkilk

The Metric System

UNIT LENGTH MASS VOLUME OR CAPACITY

Kilo Kilometers=km Kilograms=kg Kiloliters=kl

Hecto Hectometers=hm Hectograms=hg Hectoliters=hl

Deka Dekameters=dkm Dekagrams=dkg Dekaliters=dkl

BASIC UNIT

Meters = m Grams = g Liters = L

Deci Decimeters=dm Decigrams=dg Deciliters=dl

Centi Centimeters=cm Centigrams=cg Centiliters=cl

Milli Millimeters=mm Milligrams=mg Milliliters=ml

Convert as indicated:

1) 8.4 m = _____ mm

km hm dkm m dm cm mm

3 moves to the right

Move the decimal point 3 places to the right.

8,400 mm8.4 m =0 0

2) 0 .006 hm = ____________cm

km hm dkm m dm cm mm

4 moves to the right

Move the decimal point 4 places to the right.

0.006 hm = 60cm

3) cl l = _________ = _________ 1.7 1.7 ll

kll hll dkl l l l dl l cll mll

2 moves to the right

Move the decimal point 2 units to the right.

1.7 l = ____l = ____c c ll0 170

4) 6.4 cg = _________ mg

kg hg dkg g dg cg mg

1 move to the right

Move the decimal point 1 unit to the right.

6.4 cg = _____ mg64

5) kll = ______ 46800 ml l

kll hll dkl l l l dl l cll mll

6 moves to the left

Move the decimal point 6 units to left.

4 6 8 0 0 mll = ________kll0 0.046800

6) 0 .386 g = ________kg

kg hg dkg g dg cg mg

3 moves to the leftMove the decimal point 3 places to the left.

.386g =000 0.000386 kg