unit 4

Question 1

ratio

Answer 1

comparison between the relative size of two quantities

can be written using to, :, -,

Question 2

part-to-part

Answer 2

relationship between one part of the whole to another part of the whole

Question 3

part-to-whole

Answer 3

relationship between one part of the whole to the whole

Question 4

rate

Answer 4

a ratio that compares 2 quantities with different kinds of units (labels)

Question 5

unit rate

Answer 5

a simplified ratio where the first quantity is being compared to 1 unit of the second quantity

Question 6

unit price

Answer 6

cost per 1 unit/item

Question 7

complex fraction

Answer 7

a fraction where the numerator denominator, or both contain a fraction (fraction within a fraction)

Question 8

proportion

Answer 8

shows that two ratios are equivalent ex: 3/4 =6/8

Question 9

constant of proportionality

Answer 9

the constant ratio between 2 proportional quantities (usually simplified to whole numbers) ex: 25 boxes/ 1 member $1.79/ 1 candy bar 2 boys/ 3 girls