MA.912.T.5.2Archived Standard

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Decide whether a solution is reasonable in the context of the original situation.

Remarks

Example: Sandy was asked to solve for tan , given that the sin =3/5 where . When she completed her work, her answer was tan =3/4. was her answer reasonable for the given problem? justify your decision.
General Information
Subject Area: X-Mathematics (former standards - 2008)
Grade: 912
Body of Knowledge: Trigonometry
Idea: Level 2: Basic Application of Skills & Concepts
Standard: Mathematical Reasoning and Problem Solving - Use a variety of strategies to solve problems. Develop and evaluate mathematical arguments and proofs.
Date Adopted or Revised: 09/07
Content Complexity Rating: Level 2: Basic Application of Skills & Concepts - More Information
Date of Last Rating: 06/07
Status: State Board Approved - Archived

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Lesson Plan

Calculating the Earth-Sun distance using Satellite Observations of a Venus Transit:

Every school child learns that the earth-sun distance is 93 million miles. Yet, determining this distance was a formidable challenge to the best scientists and mathematicians of the 18th and 19th centuries. The purpose of this lesson is to use the 2012 Transit of Venus as an opportunity to work through the mathematics to calculate the earth-sun distance. The only tools needed are basic knowledge of geometry, algebra, and trigonometry. The lesson is self-contained in that it includes all the data needed to work through the exercise.

Type: Lesson Plan

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