Unit 5: Percentages, Ratio, Rates, and Proportion

Question 1

percentages

Answer 1

Like fractions, they denote something that is not necessarily whole, but rather could be a part of a whole number. 100% represents the number one.

Question 2

rate

Answer 2

A ratio that compares two quantities having different units of measurement.

Question 3

double number line

Answer 3

A visual tool for working with ratios that is generally used for ratios with different units or rates. Two number lines are drawn, one rate is marked out on the top number line, a second rate is marked out on the bottom number line, and the lines are compared to find equivalencies.

Question 4

proportion

Answer 4

A true statement in which two ratios are equal to each other.

Question 5

tape diagram

Answer 5

A visual tool for working with ratios that uses rectangles to represent different quantities of comparable items.

Question 6

ratio

Answer 6

A measure of one quantity in relation to another quantity

Question 7

percent proportion

Answer 7

Proportion that is equivalent to the given ratio but has a denominator of 100. For 3/5, it would be 60/100.