Unit 3 Lesson 2 Day 3 Scale

Define It :
• Scale is a type of ____________________________.

• A scale factor is :

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proportion

A ratio of two sets of measurements used to

determine distance, drawing dimensions, etc.

Identify Some Ways Scale and/or Scale Factor are Used in Real Life:

Distance on a Map:

●To determine the distance on a map, set up a proportion using a scale
factor.

●For example:
○ Two cities are 4.5 inches apart on a map. The map uses a scale
factor of 0.5 inches to 85 miles. How far apart are the two cities in
real life?

○Set up a proportion and solve in the space below.

Exit Ticket #3