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The Golden Ratio

Curriculum Tie:

Time Frame:
7 class periods that run 45 minutes each.

Group Size:
Small Groups


 

Summary:
This unit introduces the students to ratios. The students will use the "Golden Ratio" (1.618) to experience how to set up and work with ratios. Graphing calculators and spreadsheets will also be used to set up ratios.

Materials:
Prentice Hall Middle Grades Math Book 2, sample spreadsheet, spreadsheet worksheet, Go for the Gold worksheet from Texas Instruments Exploration book (due to copyright, you will need to purchase a copy of this book to use in your classroom - Activity 7), ratio test, spreadsheet rubric, graphing calculators, spreadsheet software, and the attached lesson plan.

Attachments

Student Prior Knowledge:
Students need to already know how to work with fractions and how to change fractions to decimals and vice versa.

Intended Learning Outcomes:
When this unit is completed, student should know what a ratio is. They should be able to set up a ratio when given a story problem. Students should also know and be able to explain what the "Golden Ratio" is.

Instructional Procedures:
See the attached lesson plans.

Strategies For Diverse Learners:
To adapt this lesson for diverse learners have students work in groups instead of individually. Set up heterogeneous groups ahead of time that represent all types of learners are mixed up in the groups and can help each other.

Extensions:
See day 3 on the attached lesson plan.

Assessment Plan:
Assess the students' knowledge of ratios by using the attached ratio test. Assess the students' knowledge of spreadsheets by filling out the attached rubric while the students are working with this tool.

Attachments

Bibliography:
Middle Grades Math Tools for Success: Course 2, Prentice Hall, 1999 Explorations: Discovering Mathematics with the TI-73: Activities for Grades 7 and 8, Texas Instruments, 1998

Author:
CHANTEL COWAN

Created Date :
Oct 14 2003 14:38 PM

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