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: width
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
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: width
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: width
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: width
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: width
Compound Denominate Numbers: Multiplying Compound Denominate Numbers
This clip explains how to multiply compound denominate numbers. The clip points out that, "
in multiplication, we don't work in columns as we do in addition
and, to multiply, the units must be the same
.(so) we convert both compound denominate nu...
Subject: width
Fluid Volume: Measuring With Cubic Units
This clip explains that fluid units are not the only means by which to measure the volume inside a container. "We can also measure volume with cubic units," the clip states. "Both volumes measure the same amount of space; these are just different wa...
Subject: width
Area and Volume: Finding the Area of a Rectangle
equal to the length times the width." Three practical problems follow that are solved by utilizing the formula.
Subject: width
Area and Volume: Finding the Area of a Parallelogram or a Triangle
This clip explains that finding the area of a parallelogram is much like finding the area of a rectangle. "The area of a parallelogram equals the base times the height," the clip states. The clip further notes that, "
if we cut a parallelogram in h...
Subject: width
Area and Volume: Finding the Area of a Square
This clip explains that a square is a special kind of rectangle whose 4 sides are the same length. The clip states that the formula for finding the area of a square is: "Area equals s squared." The clip includes two practical problems.
Subject: width