Weight and Temperature: Units of Weight and Unit Equivalences
This clip presents the units of weight in the U.S. Customary System, then provides a number of practical problems that can be solved by using the equivalences for ounce, pound and ton.
Dividing Rational Expressions: Two Practice Problems
Practice problems for dividing rational expressions.
Dividing Rational Expressions
The procedure for dividing rational expressions is demonstrated.
Mathematics in the Business World
An introduction to the world of business math, rationale for studying the subject and an important look at the value of strong math skills.
Mean, Median and Mode: Shortcut for Handling Larger Data Sets, A
This clip explains that many real-life applications of statistics use very large data sets. "Since there are so many values," the clip states, "
and some of the values appear more than once, we'll group the data in a table." The clip concludes by n...
Perimeter: Finding the Length of a Semi-Circle
This clip uses practical problems to explain how to find the length of a semi-circle. "The length of the semi-circle is half the length of the circumference," the clip states. "That means, once we know the circumference of a circle, we can find the ...
Percent in Word Problems: Practical Problems Involving Percent and Proportion
This clip establishes that percent means comparing something to 100, then presents a number of practical problems about percentage that are solved by setting up proportions and cross-multiplying.
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 ("
the valu...
Perimeter: Finding Unknown Side of a Rectangle When Perimeter and One Side Are Known
This clip uses practical problems and simple equations to explain how the perimeter formula for rectangles can be used to find the length of an unknown side, when the perimeter and length of one side are known.
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...