How to calculate and interpret the discriminant of a quadratic equation.
What is absolute value?
How to find the cube root of a number.
How to write variables to describe numbers.
How to calculate the mean, or average, of a list of numbers.
How to solve word problems about values and number of coins.
How to solve a problem when asked to switch the digits of a 2-digit number.
How to move between scientific notation and standard notation of numbers.