Measurement and Unit Conversion: Unit Conversion Factors of Time: Hours, Minutes and Seconds
This clip presents unit conversion problems involving sleep that can be solved by utilizing unit equivalences for seconds to minutes and minutes to hours, and then either multiplying or dividing.
Measurement and Unit Conversion: Units of Measurement and Denominate Numbers
This clip talks about the important role measurement plays in daily life. The clip also explains that denominate numbers, which consist of a number and a unit, are used whenever something is measured. Finally, the clip mentions the United States Cus...
Compound Denominate Numbers: Compound Units
This clip presents several practical problems involving compound units. The problems include calculating a car's speed in miles per minute; the number of gallons of gas used; the force per square foot exerted by a waterbed; and the speed of sound ex...
Compound Denominate Numbers: Dividing Compound Denominate Numbers
This clip explains how to divide compound denominate numbers, noting that the first step is to convert the numbers to a single unit. The clip includes practical problems in which the student is asked to figure out how many chassis parts can be assem...
Compound Denominate Numbers: Working With Compound Denominate Numbers
This clip explains that a denominate number is, "
any number that is written with a unit." The clip notes that compound denominate numbers are numbers that have more than one unit. "When we add compound denominate numbers," the clips states, "
we ...
Measurement and Unit Conversion: Measuring Time
This clip explains the basic units of time and unit equivalences, including seconds, minutes, hours, days, weeks, months, years, decades and centuries.
Angles, Arcs and Sectors: Introduction to Angles
This clip explains what constitutes an angle and provides a brief discussion of the fields in which angle measurement is especially critical. The clip then defines a number of terms that are fundamental to understanding angles, including "vertex" an...