Unit 4 vocab

Question 1

ratio

Answer 1

Comparison between the relative size of two quantities, can be written using to, fraction bar, :, 5:2, 5 to 2,

Question 2

Part-to-Part

Answer 2

relationship between one part of a whole to another part of a whole. 2 boys: 1 girl

Question 3

Part-to-Whole

Answer 3

relationship between one part of the whole to the whole amount. 2 boys: 3 students

Question 4

Rate

Answer 4

A ratio that compares two quantities with different kinds of units. 45 miles: 3 gallons

Question 5

Unit Rate

Answer 5

a simplified ratio where the first quantity is being compared to 1 unit of the second quantity 15 miles: 1 gallon

Question 6

Unit Price

Answer 6

cost per 1 item/1 unit price$ is always listed first

Question 7

Proportion

Answer 7

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

Question 8

Constant of proportionality

Answer 8

the constant ratio between two proportional quantities (usually simplified to the whole numbers)