Ratio
Ratio: Part : Part
Fraction: Part : Whole
Difference
Percent
Ratio
1
2
3
Types of Comparisons
1. Difference: comparison of "how much more" (part to part)
ex:
There are 2 more girls in the class.
2. Ratio: Comparison relating part to part
ex:
The ratio of boys to girls is 7: 8.
3. Fraction: Comparison relating part to whole
ex:
of the class are boys
of the class are girls
4. Percent: Comparison relating part to whole
(whole = 100)
ex:
of the class are boys
of the class are girls
4
5