Length: Shortcut For Converting Metric Units, A
This clip explains that, instead of using a unit conversion factor to solve a problem, the student can use the decimal method, which the clip calls "a shortcut." "When we convert from metric to U.S. units," the clip notes, "we can use the shortcut b...
Length: Units of Length in the Metric System
This clip lists some of the things metric units are used to measure, as well as the closest equivalent units in the U.S. Customary System.
Perimeter: Perimeter, Equilateral Polygons and Rectangles
This clip explains that we can measure the perimeter of an equilateral polygon by multiplying the length of one side by the number of sides in the polygon. The clip also notes that the formula for measuring the perimeter of a rectangle is "perimeter...
Length: Converting Meters to Feet and Kilometers to Miles
This clip presents practical problems in which meters must be converted to feet, and kilometers must be converted to miles. In the first problem, the student must determine how many feet of telephone cord are on a 100-meter roll. "We'll use the deci...
Length: Practical Problem Involving Electrical Wire, A
This clip presents a practical problem involving the conversion of yards to meters. The student is asked to figure out how much electrical wire is left on a spool of 400 yards after an electrician uses 20 meters of wire for each of 16 apartments. "...
Length: Review of Unit Equivalences and Conversion Techniques
This clip reviews how to solve metric conversion problems with the unit cancellation method.