Ratios, Rates, and Proportions Test

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as speed (miles per hour).

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal, expressed as 'a/b = c/d'.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply and then divide to find the unknown value.

Front

If 2.5 dozen muffins require 600 g of flour, how much flour is needed for 1 dozen muffins?

Back

240 g of flour.

Front

If you earn $15 every 3 weeks, how much do you earn in 1 week?

Back

$5 per week.

Front

What is the unit rate of 11.5 oz of Doritos for $4.39?

Back

$0.38 per ounce.

Front

How do you determine which deal is better when comparing prices?

Back

Calculate the unit price for each option and compare them.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.