What is the primary student outcome for this lesson on scale drawings?

Scale Drawings and Area Relationships

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Thomas White
FREE Resource
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To memorize formulas for area calculations.
To understand the history of scale drawings.
To learn how to draw scale drawings accurately.
To solve area problems using scale drawings and percentages.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the area of a scale drawing if you know the scale factor and the area of the original drawing?
Add the scale factor to the area of the original.
Multiply the area of the original by the scale factor.
Divide the area of the original by the scale factor.
Multiply the area of the original by the square of the scale factor.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the example with side lengths of 3 and 9, what is the scale factor?
1
2
4
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the area of a square with a side length of 9 units?
36 square units
27 square units
81 square units
18 square units
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the radius of a circle in a scale drawing is twice that of the original, what is the scale factor for the area?
16
8
4
2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the area of a shape if the scale factor of its side lengths is 0.5?
The area is quartered.
The area is doubled.
The area remains the same.
The area is halved.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the quotient of the areas related to the scale factor?
It is the scale factor cubed.
It is the scale factor halved.
It is the scale factor doubled.
It is the scale factor squared.
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