Access Point #: MAFS.7.G.2.AP.5bArchived Access Point

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Find the measure of a missing angle inside a triangle.
Clarifications:

Essential Understandings

Concrete:

  • Given a triangle, measure each angle.
  • Given a triangle, measure the angle with a missing measure using a tool, i.e., protractor.
  • Given a triangle, tear the angles off and put them together to make a straight line.
Representation:
  • Given a triangle, subtract numbers from 180 using tools, i.e. calculator, slide ruler, etc.
  • Given a triangle, subtract numbers from 180 using a table.

    Table with 4 columns labeled Angle A, Angle B, Angle A + Angle B, and 180 - (Angle A + Angle B). There is one blank row underneath label row.
  • Given a triangle, subtract given angle measurements from 180 to determine the measure of the missing side.
General Information
Number: MAFS.7.G.2.AP.5b
Category: Access Points
Date Adopted or Revised: 07/14
Cluster: Solve real-life and mathematical problems involving angle measure, area, surface area, and volume. (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

This access point is an alternate version of the following benchmark(s).

Related Courses

This access point is part of these courses.
1205040: M/J Grade 7 Mathematics
1205050: M/J Accelerated Mathematics Grade 7
1204000: M/J Foundational Skills in Mathematics 6-8
7812020: Access M/J Grade 7 Mathematics
0101060: M/J Three-Dimensional Studio Art 3

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