Two Term Ratios
- Compares two quantities measured in the same units
Examples: A:B , 7:13, 7 to 13
Three Term Ratios
-Compares three quantities measured in the same units
Examples: A:B:C, 7:13:4, 7 to 13 to 4
-Compares two quantities measured in different units
-A rate in which the secnd term is one
-A unit rate used when shopping
Examples: Car going 2km/hour, $0.50/piece
- A relationship that says that two ratios or two rates are equal.
Examples: You can use proportion to figure out how much a dozen of erasers will cost if 3 erasers cost $0.75.
Cost $3.00 3 multiply by 4 is a dozen
Cost $0.75 0.75 multiply by 4 is 3.00
Sesame street Video: Grover: Smell like a monster
Rewrite: Listen to Harbeck