Ratio and unit rates 6-1
A Ratio compares two quantities by division.
Ratio= fraction with MEANING
Labels are CRITICAL
16:14 What does it mean?
16 girls: 14 boys Has meaning
Rate compares quanities with two different units.
Rate=Ratio with 2 different lables.
I drive 180 miles in 3 hours
180 miles/ 3 hours
A unit rate has a denominator of 1.
EX:
60/1 MPH
Order of numbers in ratio are VERY IMPORTANT!
Proportions 6-2
A proportion is two equal ratios.
EX:
4/3= y/21
Solve for the variable! (y)
Propotions are all about setting up the labels!
3 oz. = $1.65 How much is 5 oz.?
Set up the problem FIRST! DONT FORGET THE LABLES!
Label A ________ = _______ Label A
Label B wwwwwwwwwwwwww Label B
Lorenzo L. Per:2
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1 comment:
Lorenzo,
This is a great start to your notes from class!! Keep up the GREAT work!!
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