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Unit Conversions

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Unit Conversions

1. 1. Unit Conversions<br />We need to be able to convert from one unit to another<br />The method that we will use is called the factor label method (FLM) or dimensional analysis<br />
2. 2. UC cont.<br />Let the units do the work for you by knowing the connections between units<br />12 donuts in a dozen<br />100 cm in a meter<br />5280 feet in 1 mile<br />
3. 3. Unit Factors<br />This fraction is called a unit factor<br />12 Donuts<br />1 dozen<br />
4. 4. Hints<br />We use two math facts with the FLM<br />Any number divided by 1 equals itself<br />Any number times one equals itself<br />
5. 5. Sample Problem<br />How many donuts are in 3.5 dozen?<br />Start with what you know<br />Align the unit factor so that units will cancel out<br />
6. 6. More Samples<br />How many feet in 12.3 miles?<br />How many inches in one yard?<br />How many in ounces 45 kg?<br />