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15
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What is the better deal: 13 lb bag for $25.50 or a 27 lb bag for $32.25. Which bag is the better buy?
27 lb bag
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5
×
How is a proportion formed?
2 or more equivalent ratios
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heart
Other team wins 20 points!
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fairy
Take points!
5
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15
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25
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shark
Other team loses 20 points!
Okay!
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lifesaver
Give 20 points!
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trap
No points!
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rocket
Go to first place!
Okay!
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shark
Other team loses 25 points!
Okay!
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thief
Give points!
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25
10
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Jess walked 6.5 miles in 2 hours. If she continues at this rate, how many miles can she walk in 4.5 hours? Round to the nearest whole number
About 15 miles
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5
×
Is this data proportional? If yes, what is the value of k?
Yes, k=1.5
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5
×
P or NP
Proportional
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15
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This data is proportional. What is the equation of the line?
y = 6x
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banana
Go to last place!
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seesaw
Swap points!
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shark
Other team loses 25 points!
Okay!
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baam
Lose 10 points!
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5
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Proportional or Non Proportional?
Proportional
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10
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How is a unit rate expressed as a ratio with a _____________ of _______
Ratio with a denominator of 1
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10
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How do you know the data is proportional?
k = 3 for all ratios of y/x
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monster
Reset all scores!
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star
Double points!
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rocket
Go to first place!
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baam
Lose 20 points!
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10
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What is the meaning of the unit rate in context?
10 cm/min
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15
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Is the data proportional? If yes, what does k =
Yes - it is straight and through the origin; k = 1000
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15
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Is the data proportional? If yes, what is the value of k?
Proportional, k = -5/2 or -2.5
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