Access Point #: MAFS.912.S-CP.1.AP.1b (Archived Access Point)


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Describe the union of events in a sample space. For example: Event A contains soccer players, event B contains football players. The union of the sets is football players and soccer players all together.

Clarifications:

Essential Understandings

Concrete:

  • Given two sets of objects, combine them to make one set.

    For example:
    Let A = {1 orange, 1 pineapple, 1 banana, 1 apple} and B = { 1 spoon, 1 knife, 1 fork}

    A∪B = {1 orange, 1 pineapple, 1 banana, 1 apple, 1 spoon, 1 knife, 1 fork}
Representation:
  • Understand that:)
    º A∪B represents the union of sets A and B.)
    º This is all the items which appear in set A or in set B or in both sets.
  • Given two sets of objects, combine them to make one set.
    For example:

    A union B Set Notation, Venn Diagram examples

Number: MAFS.912.S-CP.1.AP.1b Category: Access Points
Date Adopted or Revised: 06/14 Cluster: Understand independence and conditional probability and use them to interpret data. (Algebra 2 - Additional Cluster)

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

Name Description
MAFS.912.S-CP.1.1: Describe events as subsets of a sample space (the set of outcomes) using characteristics (or categories) of the outcomes, or as unions, intersections, or complements of other events (“or,” “and,” “not”).



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