# Unknown Story

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#### Storyboard Text

• ﻿Ms. Hrbek is teaching her class about Ratios, Rates, and Unit Rates. She shows the class an example of the ratio 2 : 3 which is because there is 9 girls and 6 boys.
• Unit Rate .. Rate... Ratio. ﻿
• Example of a Ratio: 2 boys for every 3 girls. ﻿Since there are 9 girls and 6 boys in this class!
• That is a example of A ratio! ﻿
•   This is so boring!! I am never going to have to use this in real life!﻿
• ﻿Ms. Hrbek is teaching her class about Ratios, Rates, and Unit Rates. She shows the class an example of the ratio 2 : 3 which is because there is 9 girls and 6 boys.
• Unit Rate .. Rate... Ratio. ﻿
• Example of a Ratio: 2 boys for every 3 girls. ﻿Since there are 9 girls and 6 boys in this class!
• Yes! The Bell!!! *ignoring his teacher* ﻿
• Chris pay attention next time! you never know when you are going to need to use this!
• Time to get on the bus!! School is finally ﻿over!
• ﻿15 Miles Per Hour! Just like in Math remember? It is a Unit rate since it is 15 miles per ONE hour.
• ﻿Nathan sees the speed limit sign and wonders what it means. Julie tells him that it means 15 miles per hour and it is a unit rate because it is one per something and in this case, (15mph)
• ﻿speed limit 15? 15 what?
• Speed limit 15﻿
• ﻿Nathan sees the speed limit sign and wonders why it isn't 30 miles per 2 hours. Julie explains that it would work except it would not be a unit rate, it would be a regular rate since it isn't per just the one hour.
• Yes, that would work too except would be just a regular rate since it is two of something instead of one.  Don't you remember anything from class?
• Oh Yeah! Wait. Why can't it be 30miles per 2 hours? wouldn't that be equivalent?
• Speed limit 15﻿
• Nathan finally remembers something from the class. He remembers about proportions and gives the example 15miles/ 1hour = 30miles/2 hours and then, Julie gives another example of 2 boys/3 girls = 6 boys/ 9 girls because of Ms. Hrbek and her example in class.
• Yeah, exactaly that would be an example of a proportion since they are both equal units. Another  Example would be ﻿2 boys/3 girls = 6 boys/9 girls which expands on Ms. Hrbek's example in class!
• Speed limit 15﻿
• Oh wait I do remember something about a proportion! Isn't 15miles/1hour = 30miles/2hour a proportion?
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