Charlie demonstrates how math is all over in the universe. He shows how, even in simple ways, mathematics is evident.

This Crash Course video gives different explanations of derivatives. She iterates how to use the power rule with negative exponents as well as fractions.

Describes how to interpret data with multiple peaks.

George has a bunch of jobs in a large building with unnumbered floors. To keep track of the floors, he keeps track of them by counting with his fingers.

Bad Man challenges Amber to place on the number line three numbers between 1 and 2. He refers to the numbers directly to the right of the decimal point as tenths. He then gives Michael a similar challenge to that of Amber except with numbers containing decimals in the hundredths place.