Transcript Ratios

Definition:
A comparison of two numbers:
Written As:
Fraction, with :, and to
Parts to whole:
Or
Parts to Parts:
Examples:
8/35, 8:35, 8 to 35
Ratios
Definition:
A comparison of two numbers:
Parts to whole:
Or
Parts to Parts:
Definition:
A comparison of two numbers:
Written As:
Fraction, with :, and to
Parts to whole:
Or
Parts to Parts:
Examples:
8/35, 8:35, 8 to 35
Ratios
Equivalent Ratios = Equivalent Fractions
You can multiply the top and bottom by the same # or reduce to get an
Equivalent ratio
Definition:
A comparison of two numbers:
Written As:
Fraction, with :, and to
Parts to whole:
Or
Parts to Parts:
Examples:
8/35, 8:35, 8 to 35
Ratios
Comparing Ratios
You can use fraction rules to compare
Or
You can turn the ratios into decimals
Finding Missing Part of Ratio:
See how many times it takes to go
from one fraction to the other.
Do the same thing to the top or
bottom.
Equivalent Ratios = Equivalent Fractions
You can multiply the top and bottom by the same # or reduce to get an
Equivalent ratio
Real World Uses
• Population: Ethnicity, gender, etc.
• Sports statistics: ERA, Batting Avg, Free
• Throw Percent.
• Probability: Odds of occurrances
• Comparison Shopping: items per package