Ratio:
Two term ratio- compares two quantities measured in the same units.
ex. 2:3
Three term ratio- compares three quantities measured in the same units.
ex. 2:3:4
Part to part ratio- compares different parts of a group to another part of the same group.
ex. 4:2
This is a diagram:
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Rates:
rate- compares two quantities measured in different units.
ex. 2m/8hr
unit rate- a rate in which the second term is one.
ex. 3km/1m
unit price- a unit rate used when shopping.
ex.$4/5pencil
This is a diagram.
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Proportional Reasoning:
-Is a relationship that says that two ratios or two rates are equal.
example- 1/2 = 2/4
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This was the video that Melanie, Kristel and I were planning to do.
And.. This was our remake :) .. ENJOY.
Good job, Josell !
ReplyDeleteI liked your video.
Your picutres and examples were good.
I suggest next time you make the font bigger, so it's easier to read