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...
Multiplying Whole Numbers, Part 2: Practical Multiplication Problems
This clip presents practical problems which the student can try to solve using the facts presented thus far in the "Multiplying Whole Numbers" lesson.
Practical Algebraic Problem: Finding Total Earnings
An example of how to use a simple algebraic equation to determine total earnings from a part time job.
Dividing Whole Numbers, Part 1: Division's Relationship to Multiplication and Subtraction, Part Two
This clip continues the previous discussion about viewing division as a shortcut for repeated subtraction or as the opposite of multiplication.
Dividing Whole Numbers, Part 1: Division's Relationship to Multiplication and Subtraction, Part One
This clip explains that division is a shortcut for repeated subtraction, and is also the opposite of multiplication.
Signed Fractions: Summary: Signed Fractions
This clip summarizes signed fractions. It explains that negative fractions are just as useful as any other kind of negative number. The clip then re-visits the question of what exactly constitutes a negative fraction. It states that, if the numerato...
Solving Equations: Solving An Equation
This clip describes the steps in solving a simple equation. It states that "...the important thing is to study the equation, decide what you want to move around or get rid of, and proceed step by step." It also advises that "
it's usually easiest t...
Solving Equations: Building and Solving A New Equation
This clip explains how to work through an equation step by step, beginning by "collecting" all the unknowns on one side of the equation and all the constants on the other.
Signed Numbers: Introducing Negative Numbers
This clip uses the number line to illustrate that there can be negative numbers as well as positive numbers. Negative numbers on the number line are located to the left of the zero, rather than to the right.
Signed Fractions: Adding Signed Fractions
This clip explains that the rules for working with signed fractions are exactly the same as for any other signed numbers. "Wherever you find the negative sign," the clips states, "
move it out in front of the entire fraction, then treat the fractio...