Proportionality
Presentation
•
Mathematics
•
7th Grade
•
Medium
+3
Standards-aligned
Curtis Armantrout
Used 28+ times
FREE Resource
7 Slides • 8 Questions
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Proportionality
Unit 5 Important Vocabulary
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Unit Rate
Definition: A type of ratio that compares a single unit of one thing to another amount that uses different units.
Facts/Characteristics: When working with Unit Rates you will have two different types of units.
The one in the unit rate is not usually shown. (like 20 miles/hour)
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Open Ended
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Proportional
Definition: When quantities have the same relative size (ratio)
Facts/Characteristics: A proportional graph starts at zero and changes at a constant rate
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Multiple Choice
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Non-Proportional
Definition: When two or more quantities do not have the same relative size (ratios)
Facts/Characteristics: A non-proportional graph either doesn't start at zero, or, is not constant.
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Multiple Select
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Constant of Proportionality
Definition: The rate that a relationship of two numbers increases or decreases
Facts/Characteristics: often represented by the letter k.
and/or
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Multiple Choice
What is the Constant of Proportionality for this table? Remember,
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Multiple Choice
Greg is making 4 apple pies. He has to buy 24 apples.
What is the Unit Rate? (How many apples for every 1 pie?)
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Multiple Select
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Multiple Choice
What is the constant of proportionality for this table?
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Multiple Choice
James just filled up his truck with gas. He paid $28.75 and got 11.5 gallons of gas. What is the Unit Rate? (What is the cost of 1 gallon of gas?)
Proportionality
Unit 5 Important Vocabulary
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