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12 Cards in this Set

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the firs 4 key words for comp 17?
tempature,
weight
area
volume
t, w, a, volume
THE NEXT 3 STEMPS OF MEASUREMENT 17?
Capacity speed and ratio
c
s
r
What is the tree dexcriptor hightlights
1) use units of measure with dimensional analysis and conversions within systems
units of measure
what is the second descriptor
USE THE PYTHAGOREAN THEORM, PROPORTIONAL, REASONING,AND RIGHT TRIANGLE TTRIGNOMETRY FOR INDIRECT MEASUREMTNENT
PYTHAGREAN THEORM
WHAT IS THE THIRD DESRIPTOR
RECOGNIZE A VARITY OF TWO-DIMENSIONAL REPRESENTTIONS OF PARTS OF THREE DIMENSIONAL FIGURES
CONCEPTS OF DIRECT MEASUREMENT-APPRIOATE UNITS OF MEASURE WITH CONVERSION RATES, TEMPERATURE,:
CELSISUS BOTH IN DEGREES
F=9/5(C) + 32
C=5/9(F-32)
CONCEPTS OF DIRECT MEASUREMENT: WEIGHT
TONS, POUNDS, ONCES, KILOGRAMS, GRAMS, CENTIGRAMS
TON=2000 PDS
1 POUND=16OZ
1 KG=1000 GRAMS
1 GRAM=100 CG
CONCEPTS OF DIRECT -AREA
SQUARE UNITS
SQUARE UNITS
Surface Area of a Cube = 6 a 2
Surface Area of a Rectangular Prism = 2ab + 2bc + 2ac

(a, b, and c are the lengths of the 3 sides)

b is the shape of the ends)

Surface Area = Lateral area + Area of two ends

(Lateral area) = (perimeter of shape b) * L

Surface Area = (perimeter of shape b) * L+ 2*(Area of shape b)


Surface Area of a Sphere = 4 pi r 2


(r is radius of circle)

Surface Area of a Cylinder = 2 pi r 2 + 2 pi r h
CONCEPTS OF DIRECT MEASUREMENT-VOLUME
VOLUME CUBEIC (THREE) UNITS
CONCEPTS OF DIRECT MEASUREMENT-CAPACITY
CAPACITY
1=GALLON=4 QTS
1 QUART=2 PINTS
1 CUP=8 ONCES
1 LITER=1000 ML
1 PINT =2 CUPS
1=GALLON=4 QTS
1 QUART=2 PINTS
1 CUP=8 ONCES
1 LITER=1000 ML
1 PINT =2 CUPS
PERCENT OF ERROR DETERMINE THIS BY FINDING THE RATIO OF THE AMOUNT OF ERROR TO THE CORRECT MEASURE
EX: A STUDENT MEASURES THE ANGLES OF QUADILATERAL WHITH A PROTRACTOR AND FINDS THAT THE SUM OF THE ANGLES IS 354 DEGREES, HIS PERCENT OF ERROR CAN BE FOUND BY DOING TH E FOLLOWING 360 -354/360=6/360 =1.67%
O.167 CAN BE CONVERTED TO 1.67%
DIMENSIONAL ANLAYSIS
THIS IS A TECHNIQUE TO CONVERT MEASURES BY USING FORMS OF ONE. EXAMPLE: JUST LIKE NUMBERS WILL DO WHEN MULTIPLYING FRACTINSCONVERT THE AGE OF A 21 YERA OLD TO SECONDS:
21 YEARS/1* 365 DAYS/1 DAY * 24 HOURS/1DAY* 60 MIN/1 HOURS* 60 SECONDS/ 1MIN=662,256,000-NOTICE THAT EACH FRACTIION IS A FROM O FTHE NUMBER ONE. aLSO NOTICE
THAT UNITS "CANCEL" OUT