## Wednesday, October 27, 2010

### Paulo's Sesame video post, rateproportionratio

Our group has Roemer, Ishaka, and Paulo

Part to Part Ratio:
Compares different parts of the group,to each other

Example: 25:15

Part to Whole Ratio:
a ratio or a fraction that represents a relationship between a part and its whole.

Example: 3:8

Ratio:
a comparison of two numbers by division

2 Term Ratio: Compares two quantities measured in the same units.

Example: 5 blue cars: total cars

3 Term Ratio:
Compares three measured in the same units.

Example: 5:15:30

Rate: Compares two quantities measured in different units

Example: 3 laps/mins

Unit Rate:
ratio of two measurements in which the second term is 1.

Examples: \$180 in 20 hours

Proportional Reasoning: relationship that says two ratios are equal.

Example: sugar1/lemon1=sweetness1

Unit Price:

unit rate is essentially a ratio used to compare a quantity to the way it is being measured

Example: 2 liters= \$1.90 per liter

The video we did was Grover reacting the Old spice commercial there is a part 1 and part 2.