Module 4.5 Lesson 1 Scale Drawings.notebook 1 February 02, 2017 Homework: Pages S.5-S.7 #1, 2, 3, 5 Aim: Relating Scale Drawings to Ratios and Rates 2/2/17 Mod 4.5: Lesson 1 CRS 11 due Wednesday 2/8 Do Now During the 2015 NFL season, there were 275 concussions reported. That number decreased by 11.3% for the 2016 NFL season. Approximately how many concussions were reported during the 2016 NFL season?
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Module 4.5 Lesson 1 Scale Drawings.notebook
1
February 02, 2017
Homework: Pages S.5-S.7#1, 2, 3, 5
Aim: Relating Scale Drawings to Ratios and Rates
2/2/17Mod 4.5: Lesson 1
CRS 11 due Wednesday 2/8Do Now
During the 2015 NFL season, there were 275 concussions reported. That number decreased by 11.3% for the 2016 NFL season. Approximately how many concussions were reported during the 2016 NFL season?
Module 4.5 Lesson 1 Scale Drawings.notebook
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Intro: Can you Guess The ImageS.1
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Discussion Questions:1.) What are possible uses for enlarged drawing/pictures?
2.) What are the possible purposes of reduced drawings/pictures?
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For the following problems, (a) is the actual picture and (b) is the scale drawing. Is the scale drawing an enlargement or a reduction of the actual picture?
S.1
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Derek's family took a day trip to a modern public garden. Derek looked at his map of the park that was a reduction of the map located at the garden entrance. The dots reprsent the placement of rare plants. The diagram below is the top-view as Derek held his map while looking at the posted map.
What are the corresponding points of the scale drawings of the maps?
Point A to _________ Point V to ____________ Point H to ____________ Point Y to ____________
Why doesn't V correspond to R since they are both in the right hand corner?
S.2
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Celeste drew an outline of a building for a diagram she was making and then drew a second one mimicking her original drawing. State the coordinates of the vertices and fill in the table.
S.4
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Luca drew and cut out small right triangle for a mosaic piece he was creating for art class. His mother really took a liking and asked if he could create a larger one for their living room and Luca made a second template for his triangle pieces.
a. Does a constant of proportionality exist? If so, what is it? If not, explain.
b. Is Luca‛s enlarged mosaic a scale drawing of the first image? Explain why or why not.
S.4
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Create scale drawings of your own modern nesting robots using the grids provided.
Exercise 1 S.3
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S.5
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Closing Question:
How would you make a scale drawing of a room in your house?
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Discussion Questions:1.) Is the second image a reduction or enlargement of the first image? How do you know?
2.) Does a constant of proportionality exist?
3.) Why is having a proportional relationship important for scale drawings?