7th -- Ch 5.2.notebook
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November 05, 2013
Ch 5.2 Unit Rates and Proportional Reasoning
Pg. 232
SWBAT:
to find unit rates and unit costs using proportional reasoning
Vocab:
Rate, Unit Rate, Unit Cost
Warm up:
8
Write two other ratios equivalent to 14 .
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Finding a Unit Rate
Example
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7th -- Ch 5.2.notebook
November 05, 2013
Using Unit Cost to Compare
Using Unit Cost to Find Total Cost
Example
Example
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Challenge Problem
A human heart beats an average of 2,956,575,000 in 75 years. About
how many times does a heart beat in one year? In one day? In one
minute?
about 39,421,000
about 10,800
about 75
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Homework
Ch 5.2 -- Pg. 234-235
#4-26 even
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Oct 23-6:05 PM
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