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

gilbert817 said...

Great job jex your scribe was awesome you had lots of pictures and colors and the video was cool. Good job again!

Brendan817 said...

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 .

kenneth8-17 said...

you forgot to put labels to but nice post!

Elaine817 said...

Good job Jex! You put a lot of colour, and I liked that you put a picture and video.

Elaine817 said...

Good job Jex! You put a lot of colour, and I liked that you put a picture and video.