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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