Rates and Ratios Practice Flashcard

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you simplify a ratio?

Back

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

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, meaning they can be simplified to the same fraction.

Front

How do you determine if two ratios are proportional?

Back

Two ratios are proportional if their cross products are equal.

Front

If there are 88 students in 4 classes, how many students are in each class?

Back

22 students per class.

Front

What is the ratio of 2:3 in fraction form?

Back

2:3 can be expressed as the fraction 2/3.

Front

Which of the following is not a valid way to write a ratio? X : Y, X and Y, X/Y, X to Y

Back

X and Y is not a valid way to write a ratio.

Front

If Sam ran 40 meters in 10 seconds and Jo ran 55 meters in the same time, who was faster?

Back

Jo was faster.

Front

What is the first step in solving a ratio problem?

Back

Identify the quantities being compared and write them in ratio form.

Front

How can you express the ratio of 10 to 15 in simplest form?

Back

The simplest form of the ratio 10 to 15 is 2:3.