The Principal's New Clothes

Author: Stephanie Calmenson

Publisher/Date: Scholastic Inc, 1989

ISBN: 0-590-44778-5

Grade Levels Recommended for Use: 6-9

Brief Summary: Principal Bundy never wears the same clothes twice. But one day he is swindled by students who sell him invisible clothes that only smart people can see. Mr. Bundy wears his new suit to school, to the amusement of his students.

Topics: permutations; ratio; proportion

Suggested Activities

Permutations & combinations: given a finite set of clothing, have students find all possible combinations of suits to wear.

Ratio & proportion: Students take each other's body measurements and make a table. They then reduce their measurements by a ratio of 1/3 and draw a picture of themselves on a large sheet of newsprint. Details should be added proportionately.

Websites:

Combinations
Counting Bynites
Barbie proportions