Problem: The Perimeter of a Rectangle
Writing a system of equations to find the length and width of a rectangle, given the perimeter, and using the formula for finding the perimeter of a
Subject: length
Transcript: NARRATOR: HERE'S AN EXAMPLE THAT USES THE FORMULA FOR FINDING THE PERIMETER OF A RECTANGLE. 2 TIMES THE LENGTH PLUS 2 TIMES THE WIDTH EQUALS THE
Metric System, The: Unit Conversion: Fluid Volume
This clip explains how to solve unit conversion problems involving fluid volume through the use of the decimal method.
Subject: length
Metric System, The: Summary: The Metric System
This clip summarizes the Metric System, explaining that, "Â…the prefixes of metric units are the key to understanding the Metric System." The clip notes that there are two methods of converting metric units: moving decimals and unit cancellation. Th...
Subject: length
Metric System, The: Metric Units, Prefixes, Equivalences and Abbreviations
This clip presents the units for length, fluid volume and mass used in the Metric System. The clip also provides some of the key prefixes and
Subject: length
Multiplying Fractions: Multiplying Fractions: Three Problems
This clip provides three practical problems to demonstrate when the ability to multiply fractions is useful. One example involves figuring out the area of a park. The clip points out that this type of problem is approached in the same way, regardles...
Subject: length
Multiplying Fractions: Multiplying Fractions by Fractions
This clip explains that before we address the topic of multiplying two fractions, we need to remind ourselves of one important use of multiplication. It then offers two examples of multiplication being used to determine the total area of a rug and a...
Subject: length
Square Roots: Couple of Practical Problems Involving Square Roots, A
This clip presents practical square root problems involving a garden and swimming pools. It explains that if we know the area of a square, we can figure out its side, because the side must be the square root of the area.
Subject: length
Length: Converting Between the U.S. Customary and Metric Systems
This clip explains how to use both the unit cancellation and decimal methods to convert between the U.S. Customary and Metric Systems. "To convert between the two systems," the clip states, "we'll use a new equivalence: 1 inch equals 2.54 centimeter...
Subject: length
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...
Subject: length
Compound Denominate Numbers: Practical Problems: Multiplying Compound Denominate Numbers
This clip includes practical problems that are solved by multiplying compound denominate numbers. The first of these involves figuring out the area of a rug, followed by a problem about the square footage of an office and the amount of rent due each...
Subject: length