Perimeter: Summary: Perimeter
This clip summarizes how to find the perimeter of several kinds of polygons. It explains the difference between irregular and equilateral polygons, and also explores the parts of a circle and how, in conjunction with pi, they can be used to find the...
Subject: length
Perimeter: Circles: Circumference, Radius and Diameter
This clip explores the perimeter of circles. "The distance around a circle is called its circumference," the clip explains. "One way to find the circumference of a circle is to know its diameter." The clip then talks about the use of pi ("Â…the valu...
Subject: length
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...
Subject: length
Length: Practical Problems: Converting Between the U.S. Customary and Metric Systems
This clip presents three practical problems based on converting between the U.S. Customary and Metric Systems. In the first two problems, an equivalence is used to write a transition factor, which is the only factor needed. In the third problem, an ...
Subject: length
Length: Converting Inches to Yards, Feet to Miles, and Miles to Inches
This clip presents a variety of unit conversion problems which the student is first asked to write in equation form. The student is then instructed to write out fractions using the appropriate equivalence in each case. After cancellation, the studen...
Subject: length
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. "...
Subject: length
Length: Review of Unit Equivalences and Conversion Techniques
This clip reviews how to solve metric conversion problems with the unit cancellation method.
Subject: length
Length: Converting Units of Length Within the U.S. Customary System
This clip presents the basic units of length in the U.S. Customary System, as well as the equivalences for these units. The clip also includes a
Subject: length