5-6: customary system of measurement. problem of the day 1)the height of a person on a scale drawing...
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5-6: Customary System of Measurement
Problem of The Day1) The height of a person on a scale drawing is 4.5 in. The scale is
1:16. What is the actual height of the person?
Find the Scale Factor of each.
2) 3 ft. model of a 5 yd whale.
3) 1 ft. model of a 1 in fossil
Basic Measurement Conversions
1 foot = ______ inches12
1 yard = ______ feet3
1 yard = ______ inches36
1 mile = ______ feet5,280
1 pound = _______ ounces16
1 ton = ________ pounds2,000
1 quart = _______ pints2
1 gallon = _______ quarts4
Basic Measurement Conversions
1 day = _____ hours
24
1 hour = _____ seconds
3,600
1 year = _____ days
365
1 week = _____ days
7
1 year = ______ weeks
52
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
1
72oz
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
oz
lboz
16
1
1
72
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
16
72
16
1
1
72 lbs
oz
lboz
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
lbslbs
oz
lboz5.4
16
72
16
1
1
72
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
lbslbs
oz
lboz5.4
16
72
16
1
1
72 1
8miles
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
lbslbs
oz
lboz5.4
16
72
16
1
1
72
mile
feetmiles
1
280,5
1
8
VocabularyConversion Factor: A fraction whose numerator and denominator represents the same quantity but use different units.
To write a conversion factor…
Find the Ratio that can be multiplied with the original unit that will….cancel the original unit, while introducing the desired unit.
Examples
Convert: 72 oz to pounds Convert: 8 miles to feet
lbslbs
oz
lboz5.4
16
72
16
1
1
72 feet
mile
feetmiles240,42
1
280,5
1
8
Skills Practice
A) 3 lb = ______ oz
Since 1 lb = 16 oz;
3 x 16 = 48
3 lb = 48 oz
Skills Practice
B) 16 qt. = ______ gal
Since 1 gal = 4 qt;
16/4 = 4
16 qt. = 4 gal
Skills Practice
C) 24 in. = ______ ft
Since 1 ft = 12 in;
24/12 = 2
24 in = 2 ft
Skills Practice
D) 12 ft = _____ yd
Since 1 yd = 3 ft
12/3 = 4
12 ft = 4 yd
Skills Practice
E) 3 mi = ______ ft
5,280 x 3
3 mi = 15,840 ft
Skills Practice
F) 12,000 lb = ______ T
12,000/2000
12,000 lb = 6 T