Wednesday, October 14, 2009
Scribepost for October 14, 2009
Today's scribe post is to define these words:
two-term ratio
three-term ratio
part to-part ratio
part to-whole ratio
rate
unit rate
unit price
proportion
Two term ratio
compares three quantities measured in the same units.
Compares 2 quantities measured in the same units.
Written as a:b or a to b.
examples
5:4
4 to 8
Three term ratio
Compares three quantities measured in the same units.
Written as a:b:c or a to b to c.
examples
5:6:8
6to9to8
Part to Part ratio
Compares different parts of a group together.
Part to part whole ratio
Compares one part of a group to the whole group.
Can be written as
A:B
5
-
6
Rate
Comparison of two quantities measured
in different units.
Unit rate
A rate in which the second term is 1.
64 beats/min is a unit rate.
Unit Price
A unit rate that involves prices. Often
shown per 100 g or 100 mL. $5.00 per 100 g is a unit price.
Proportion
An equation that says that two ratios
or two rates are equal. It can be written in
fraction form as 1/4 = 25/100.
ratio
1:4=25:100
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5 comments:
Great job jex your scribe was awesome you had lots of pictures and colors and the video was cool. Good job again!
Very nice Jex ! I liked how you used a lot of colour ! The only thing wrong is that you defined three term ratio under two term ratio .
you forgot to put labels to but nice post!
Good job Jex! You put a lot of colour, and I liked that you put a picture and video.
Good job Jex! You put a lot of colour, and I liked that you put a picture and video.
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