Friday, October 29, 2010

John's Sesame Street Video Post

Ratio


Two Term Ratio

- compares two quantities measured in the same units.
ex. X:Z, 1:2, 2 to 1


Three Term Ratio

- compares three quantities measured in the same unit.
ex. X:Z:Y, 1:2:3, 2 to 1 to 3



Rates


Rates
- compares two quantities measured in different units.
ex.(Shopping) $ 0.98/1 gas

Unit Rate
- a rate in which the second term is one.
ex. 20Km/h

Unit Price
-
a unit rate used when shopping.
ex. $9.00/grams

Proportional Reasoning

Proportion

- a relationship that says that two ratios or two rates are equal.
ex. 3Km/2h = 12Km/8h

5 comments:

  1. Colorful post, John! But where's your video?

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  2. This is a much better written part john but you could've just edited you old one. I would prefer video though.

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  3. Nice post John. I liked how you colored the important words. Next time add a video. Other than that, great job.

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  4. Great post, John. Your post is very colorful, but where is your video?

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  5. Good job, John! I liked that you changed the colours of some words to show importance. Good job!

    ReplyDelete

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