Jim is a 9th grade student at Math Academy. His Geometry teacher asked him to find the area of his hand. The assignment asked him to do the following. 1. Trace hand on graph paper. 2. Count the number of squares inside of the hand outline to find the area. Jim thought that counting all of those little squares was too much work. He came up with a short cut. This is what he did. 1. Trace hand on graph paper. 2. Outline his hand with a piece of string to get the perimeter. 3. Make a rectangle on the graph paper with the string. 4. Count the length and width of the rectangle. 5. Calculate the area of the rectangle and thus also have the area of his hand. What do you think of Jim's method. Did he have a good solution for finding the area of his hand? Why or why not?
Jim is a 9th grade student at Math Academy. His Geometry teacher asked him to find the area of his hand. The assignment asked him to do the following. 1. Trace hand on graph paper. 2. Count the number of squares inside of the hand outline to find the area. Jim thought that counting all of those little squares was too much work. He came up with a short cut. This is what he did. 1. Trace hand on graph paper. 2. Outline his hand with a piece of string to get the perimeter. 3. Make a rectangle on the graph paper with the string. 4. Count the length and width of the rectangle. 5. Calculate the area of the rectangle and thus also have the area of his hand. What do you think of Jim's method. Did he have a good solution for finding the area of his hand? Why or why not?
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Transcribed Image Text:Jim is a 9th grade student at Math Academy. His Geometry teacher asked him to
find the area of his hand. The assignment asked him to do the following.
1. Trace hand on graph paper.
2. Count the number of squares inside of the hand outline to find the area.
Jim thought that counting all of those little squares was too much work. He came up with a
short cut. This is what he did.
1. Trace hand on graph paper.
2. Outline his hand with a piece of string to get the perimeter.
3. Make a rectangle on the graph paper with the string.
4. Count the length and width of the rectangle.
5. Calculate the area of the rectangle and thus also have the area of his hand.
What do you think of Jim's method. Did he have a good solution for finding the area of
his hand? Why or why not?
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