Ratios

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both terms of the ratio by their greatest common divisor (GCD).

Front

What is the ratio of boys to girls if there are 5 boys and 7 girls?

Back

The ratio of boys to girls is 5:7.

Front

How can you convert a ratio expressed as a fraction to a colon format?

Back

To convert a fraction to a colon format, write the numerator and denominator separated by a colon. For example, 7/4 becomes 7:4.

Front

What is the ratio of flowers to ladybugs if there is 1 flower for every 2 ladybugs?

Back

The ratio of flowers to ladybugs is 1:2.

Front

If a recipe calls for 18 ounces of flour and 3 cups of water, what is the ratio of flour to water in simplest form?

Back

The ratio of flour to water in simplest form is 6:1.

Front

What does it mean for a ratio to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between numbers, even if the numbers themselves are different.

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide one quantity by the other and express the result in the form of a fraction or colon.

Front

What is the ratio of red circles to blue stars if there are 7 red circles and 4 blue stars?

Back

The ratio of red circles to blue stars is 7:4.

Front

How can you compare ratios?

Back

You can compare ratios by converting them to fractions and finding a common denominator or by cross-multiplying.