The importance of setting in a story.
How to define union.
How to solve define intersection.
How to calculate the median of a data set.
How to find the mode of a data set.
How to find the range of a data set.
How to find the number of permutations of a set.
How to find the number of combinations of a set.
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
How to define a circle and a sphere using the word locus.