03:26
Signed Numbers: Absolute Value
Using a number line as a frame of reference, this clip explains that "Â…the absolute value of a number is its distance from the origin" So, negative 3 and positive 3 both have the same absolute value of 3. "We think of absolute value as an ordinary ...
02:17
Interpreting Graphs: Effects of Vertical Scale on Graphs, The
This clip explains that two graphs displaying the same data can give very different visual impressions. "That's why it's important to check the vertical scale of a graph before making an interpretation," the clip states.
06:54
Changing Fractions to Decimals: Changing Fractions to Decimals
This clip explains that changing fractions to decimals is quite different from changing decimals to fractions. It takes us through the process of dividing the numerator by the denominator and asks the question: "How accurate do we want the answer? D...