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A skill in which problem solving is leaned from. 


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1.The answer to the problem. 2.What you are trying to find. 


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The answer to a problem should always be expressed to the correct number significant figures. 


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Where approtiate the answer should be written in standard form or Standard notation. 


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Its important to check your work. 


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a ratio of two equal measurements will equal one. 


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a problem where you are asked to express a given measurement in a different unit. 


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When a measurement is multiplied by a conversion factor, the value of the measurement _______ 

Definition


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Uses units that are part of the measurements, and are used to help solve the problem. 


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The form of the conversion factor that is used is the one in which the unit of the ______ is in the denominator. 

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A ratio of equivalent measurements is called a _____ 

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Liters [ex. express 150mL in liters] 

Definition
The unknown is a number of LITERS. 


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The known is________ [ex. express 150mL in liters] 

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T/F The expression relating Liters and 150mL is 1000mL=1L 

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In multi step problems it is important to check that the numerator and ______ of each conversion factor are equivalent. 

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Definition
Cancel out and must be equal. 


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ST/NT/AT? All th information needed to solve a word problem will be given in the problem. 

Definition


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ST/NT/AT? All the information given in a word problem will be used in the solution of that problem. 

Definition


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The units of a conversion factor must cancel. 

Definition


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ST/NT/AT? Once the solution to a conversion problem is set up, the next step is to do the arithmetic. 

Definition
NT The next step is to cancel out the units. 


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ST/NT/AT? The first step in solving a problem is to identify the unknown. 

Definition


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ST/NT/AT? Conversion factors are written so that the unit of the known is in the denominator. 

Definition


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ST/NT/AT? If density=mass/volume, then mass=density/volume 

Definition
NT m=dxv (remember formula triangle :] ) 


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ST/NT/AT? Answers to problems are given in standard exponential form. 

Definition


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ST/NT/AT? When two measurements are equal, a ratio of these two measurements will equal unity. 

Definition


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What is the conversion factor?: Years to days 

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What is the conversion factor?:liters to cubic decimeters 

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What is the conversion factor?:Milligrams to grams 

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What is the conversion factor?:minutes to hours 

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What is the conversion factor?:grams to kilograms 

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What is the conversion factor?:minutes to hours 

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Conversion factor:grams to kilograms 


Term

Definition
to the lowest of the two values. 1 goes to the greatest value. So if grams and Kilograms are being compared it will be 1k/e^3g because kilograms are greater than grams. 

