Unit 7 Flashcard: Ratios, Unit Rates & Proportions

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, expressed as 'a to b' or as a fraction a/b.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. For example, if you can buy 12 cookies for $3, the unit rate is $0.25 per cookie.

Front

How do you solve a proportion?

Back

Front

What does it mean for two ratios to be equivalent?

Back

Front

How do you find the better buy between two products?

Back

To find the better buy, calculate the unit price for each product and compare them. The product with the lower unit price is the better buy.

Front

What is the formula for finding a unit rate?

Back

Front

What is a proportion?

Back

Front

How do you check if two fractions are equivalent?

Back

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.

Front

How do you convert a ratio to a fraction?

Back