August 2020

* 24 - Describes well-defined sets, subsets, universal sets, and the null set and cardinality of sets. Illustrates the union and intersection of sets and the difference of two sets.

* 26 - Use Venn Diagrams to represent sets, subsets, and set operations.

* 28 - Solves problems involving sets.

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September 2020

* 01 - Represents the absolute value of a number on a number line as the distance of a number from 0.

* 02 - Performs fundamental operations on integers.

* 04 - Answer the indicated exercises.