Golden Rectangles

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Middle Grades Math: Geometry

Math: Middle Grades Math: Measurement

Math: Middle Grades Math: Problem Solving

Math: PreAlgebra: Geometry

Math: PreAlgebra: Measurement

Level

6-8

Activity Time

60 Minutes

TI Calculator

TI-15 Explorer™/TI-10

TI-10

Other Materials

Envelopes (Legal and Letter size)
Playing cards
Chart paper
Pens
Metric rulers
Meter sticks

Resource Types

Lessons

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Golden Rectangles

Activity Overview

Students measure rectangles and calculate ratio between the sides. They compare the ratio to the Golden Ratio (1.618).

Before the Activity

See the attached PDF file for detailed instructions for this activity

Print pages 73 - 79 from the attached PDF file for your class

During the Activity

Distribute the pages to the class.

Follow the activity procedures:

Calculate the ratio of the height to the arm span, and compare it with the Golden Ratio [1.618]

Find the ratios of other body parts, and decide which one is closer to the Golden Ratio

Identify and measure some rectangles and rectangular objects like envelopes and playing cards

Calculate the ratio between the long side and the short side of each rectangle

Identify the rectangles whose ratio is closest to the Golden Ratio

After the Activity

Students collect more information on the Golden Ratio and Fibonacci Series. They study art, architecture, and nature for these numbers.

Review student results

As a class, discuss questions that appeared to be more challenging

Re-teach concepts as necessary

Download Files

Download All Files (ZIP)

Before the Activity Files

Teacher Notes PDF

Author

Texas Instruments

Alignment

Standards Alignment

Textbook Alignment

Subject Area

Math: Middle Grades Math: Geometry

Math: Middle Grades Math: Measurement

Math: Middle Grades Math: Problem Solving

Math: PreAlgebra: Geometry

Math: PreAlgebra: Measurement

Level

6-8

Activity Time

60 Minutes

TI Calculator

TI-15 Explorer™/TI-10

TI-10

Other Materials

Envelopes (Legal and Letter size)
Playing cards
Chart paper
Pens
Metric rulers
Meter sticks

Resource Types

Lessons

Report an Issue

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Golden Rectangles

Golden Rectangles

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