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Unit Rate or Nah?
Complex Fractions
Proportional or Nah?
Definitions
$5.00/4 minutes
100
1 meter/1 second
It is a unit rate
100
1/2 / 1/2
1
100
1/2 2/4 3/6 4/7
Non-Proportional
100
Define ratio
A fraction
100
$5.00/4 minutes. Find the unit rate
$1.25/1 minute
200
$2.00/1 hour
Yes it is a unit rate
200
3/4 / 2/4
3/2
200
2/3 4/6 6/9 10/15
Proportional
200
What is a rate?
A fraction with units
200
$5.00/4 minutes. How many minutes will it take to make 20 dollars?
16 minutes
300
$1.00/2 minutes
It is NOT a unit rate
300
6/7 / 5/7
6/5
300
4/5 5/6 6/7 7/8
Non-Proportional
300
Define complex fraction
A fraction with a rational number in the numerator and the denominator
300
$5.00/4 minutes. How much money will this person make in 8 minutes?
10 dollars
400
$3.00/5 meters
It is NOT a unit rate
400
2/3 / 4/5
5/6
400
What does the graph of a proportional relationship look like?
A straight line through the origin
400
Define what it means to be proportional. Define what it means to be nonproportional
Proportional means to be equal. Nonproportional means to be not equal.
400
$5.00/4 minutes. How much money will this person make in 5 minutes?
$6.25
500
What does a unit rate HAVE to have in the denominator.
1
500
1/3 / 2/7
7/6 or 1 and 1/6
500
Use cross multiplication to determine if the following ratios are proportional or non-proportional: 15/60 and 10/40
600 and 600, so the two ratios are proportional
500
Define proportion
Two ratios set equal to one another
500
$5.00/4 minutes. How much money will this person make in 22 minutes?
$27.50