notes

1. Module 4.5 Lesson 1 Scale Drawings.notebook
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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 2/8
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?

2. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017

3. Module 4.5 Lesson 1 Scale Drawings.notebook
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Intro: Can you Guess The Image
S.1

4. Module 4.5 Lesson 1 Scale Drawings.notebook
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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?

5. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
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

6. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
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

7. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
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

8. Module 4.5 Lesson 1 Scale Drawings.notebook
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9. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
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

10. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
Create scale drawings of your own modern nesting robots using the grids provided.
Exercise 1 S.3

11. Module 4.5 Lesson 1 Scale Drawings.notebook
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S.5

12. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
Closing Question:
How would you make a scale drawing of a
room in your house?

13. Module 4.5 Lesson 1 Scale Drawings.notebook
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February 02, 2017
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?