How to find the number of permutations of a set.
How to find the number of combinations of a set.
Review of operations with decimals in order to solve equations with decimals
How to use matrices to solve a system of linear equations.
How to set up percent problems as proportions.
How to write an equation to describe a set of pictures.
Understanding the set of integers in contrast to the whole or natural numbers
Real word situations that involve operations on positive and negative numbers
Short, helpful video on ACT prealgebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
How to recognize and use Newton's and Leibniz's notation for the derivative.
How to define a circle and a sphere using the word locus.
How to solve a three part inequality.
How to set up a system of equations to represent word problems where someone is selling multiple items.