Math Playground
Math Playground: How Do You Find the Sale Price?
This video illustrates how to calculate the sale price of an item given the discount percentage.
Math Playground
Math Playground: How Do You Find a Fraction of a Group?
This video illustrates how to calculate a fraction of a group of items.
Math Playground
Math Playground: Changing Fractions and Decimals to Percentages
This video illustrates how to convert fractions and decimals into percentages.
Math Playground
Math Playground: Dividing Decimals by Powers of Ten
This video illustrates how to divide decimals by numbers that are a power of ten.
Math Playground
Math Playground: How Do You Find the Area of a Triangle?
This video [3:54] illustrates how to calculate the area of a triangle and explains the logic behind the formula.
Math Playground
Math Playground: Can Shapes With the Same Area Have Different Perimeters?
This video answers the question about the relationship between area and perimeter. Can shapes with the same area have different perimeters?
Math Playground
Math Playground: Can a Set of Data Have More Than One Mode?
This video first defines mean, median and mode. It then answers the question can a set of data have more than one mode.
Math Playground
Math Playground: Can You Explain the Metric System?
This video explains the metric system by defining the units of measure and how they relate to each other.
Math Playground
Math Playground: How Do You Solve a Variable Equation?
This video demonstrates how to solve simple equations with one variable. The instructor shows an example for each of the basic operations; addition, subtraction, multiplication, and division.
Math Playground
Math Playground: What Is a Quotient?
This video identifies and explains the quotient, dividend and divisor in a division problem.
Math Playground
Math Playground: How Many Milliseconds Are in One Day
This video demonstrates how to convert units of time, and specifically answers the question how many milliseconds are in one day.
Math Playground
Math Playground: Calculating a New Average
This video describes how to calculate a new average given the old average, the number of data items, and a new data item.
Math Playground
Math Playground: How to Solve a Greatest Common Factor Word Problem
This video demonstrates how to use the greatest common factor (GCF) to solve a word problem.
Math Playground
Math Playground: How Do You Calculate the Tip?
This video demonstrates how to calculate the value of the tip for a meal at a restaurant.
Math Playground
Math Playground: Bar Graphs
A video explaining how to construct and read a bar graph. [3:50]