Ratio and Proportion 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

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, meaning they simplify to the same fraction.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the constant value (k) that relates two proportional quantities, expressed as y = kx.

Front

If x=3 and y=12, what is the constant of proportionality?

Back

4

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio.

Front

How do you find an equivalent ratio?

Back

To find an equivalent ratio, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the ratio of red cars to blue cars if it is given as 5:2?

Back

The ratio of red cars to blue cars is 5:2.

Front

What is an example of an equivalent ratio to 5:2?

Back

10:4 is an equivalent ratio to 5:2.

Front

Is the relationship between flour and cookies in a recipe proportional if 3 cups of flour make 48 cookies?

Back

Yes, the ratio is consistent.

Front

What is the equivalent ratio to 5:3?

Back

15:9 is an equivalent ratio to 5:3.