Kyle's Proportion Post
Part 1: Definitions
Rate - Ratio between two measurements with different units
Proportion - When two ratios are equal and the cross products are equal
Ratio - A comparison of one subject to another is part-to-part ratio. A comparison of one subject to total is a part-to-whole ratio
1. 5 hours to travel 360 kilometers is about ____ km/h
2. Emma saves 28 cents of every dollar that she earns. Emma earned $75 last week. How much money did Emma save last week?
Does this seem fair?
No, this is not fair in many ways.
With what you know about proportion look and read what is in the image above. Does it seem just and fair?
He stole 100 dollars and sent 15 years to prison. I turned the 5 years into days so 5475 is equal to 15 years. I divided 100 dollars by 100 to make 1 dollar and divided 5475 by 100 and made 54.75. 54.75. I rounded up the 54.75 to closest whole number and came up with 55. Its not fair to be in jail for 55 days for stealing a dollar or 15 years of jail by stealing a 100 dollar.
Why have you made this choice?
The man was poor and sad and was desperate for money like every homeless people is but even if he stole the money. He was honest and went to the police to admit what he has done.
What would you have done if you were the judge?
I would have done some thinking alone and thought smart about what he was about to do to a poor honest man.
Part 2: Questions
1. 5 hours to travel 360 kilometers is about ____ km/h
2. Emma saves 28 cents of every dollar that she earns. Emma earned $75 last week. How much money did Emma save last week?
Part 3: Equivalent Fractions
4/9 is not equivalent to 16/32
Part 4: Proportion video
Part 5
http://www.concurringopinions.com/wp-content/uploads/2011/10/CrimeInAmerica2.jpgDoes this seem fair?
No, this is not fair in many ways.
With what you know about proportion look and read what is in the image above. Does it seem just and fair?
He stole 100 dollars and sent 15 years to prison. I turned the 5 years into days so 5475 is equal to 15 years. I divided 100 dollars by 100 to make 1 dollar and divided 5475 by 100 and made 54.75. 54.75. I rounded up the 54.75 to closest whole number and came up with 55. Its not fair to be in jail for 55 days for stealing a dollar or 15 years of jail by stealing a 100 dollar.
Why have you made this choice?
The man was poor and sad and was desperate for money like every homeless people is but even if he stole the money. He was honest and went to the police to admit what he has done.
What would you have done if you were the judge?
I would have done some thinking alone and thought smart about what he was about to do to a poor honest man.
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