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Title: Solving Problems "By the Hundreds": A Study of Percentage and Its Applications in the Solution of Co
Url: https://teachersinstitute.yale.edu/curriculum/guides/1980/7/80.07.07.x...
Creator: Fox, Lauretta J.
Publisher: Yale-New Haven Teachers Institute
Description: A unit that defines the word percent and explains the meaning of the percent symbol, and shows the relation between percentages and their equivalent fractions and decimals, giving a method for converting one form to the others. Four general types of problems are discussed: 1) finding a percent of a given number, 2) finding what percent one number is of another, 3) finding a number when a percent of it is given, 4) finding what percent greater or smaller one number is than another. The unit then applies the skills to consumer-related problems: sales tax and gratuities, discount, commission, simple interest, and compound interest. Sample problems with detailed solutions are illustrated, and problems to be solved by students are included.
LC Classification: Science -- Mathematics -- Elementary mathematics. Arithmetic
GEM Subject: Mathematics
Mathematics -- Arithmetic
Mathematics -- Number sense
Resource Type: Reference Material
Instructional Material
Instructional Material -- Problem Set
Instructional Material -- Demonstration
Instructional Material -- Lesson/Lesson Plan
Instructional Material -- Experiment/Lab Activity
Format: Document -- HTML
Audience: Educator
Education Level: High School
Middle School
Higher Education -- Undergraduate (Lower Division)
Higher Education -- Technical Education (Lower Division)
Language: English
Rights: Yale-New Haven Teachers Institute
Access Rights: Free access
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Source: Math Forum
Full Record Views: 4
Resource URL Clicks: 4
Cumulative Rating: NOT YET RATED
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