Scale Factor and Scale Drawings
Presentation
•
Mathematics
•
6th - 8th Grade
•
Practice Problem
•
Easy
Standards-aligned
Sarah Cooper
Used 2+ times
FREE Resource
4 Slides • 3 Questions
1
Scale Factor and Scale Drawings
2
A scale factor of less than 1
Reduction
A scale factor of greater than 1
Enlargement
Scale Factor Changes the size of a shape proportionally
3
Labelling
Is each example an of enlargement, reduction or did it stay the same?
4
Figure 1 42 18
--------- = ---- = ----
Figure 2 35 15
Set up proportions
Scale Factor
5
Draw
What is the scale factor for these figures
6
Sophie drew a scale drawing of a house and its lot. The back patio is 3 centimeters wide in the drawing. The actual patio is 18 meters wide. What scale did Sophie use for the drawing?
Set up proportions
Scale Drawing
7
Multiple Choice
A map is drawn with a scale of 1 inch = 15 miles. Nicole measured the distance to the next town as 3 inches. How many miles does she have to travel to get to the next town?
12 miles
15 miles
30 miles
45 miles
Scale Factor and Scale Drawings
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