Intro to Ratio and Equivalent Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

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

Are 1 : 2 and 2 : 4 equivalent ratios?

Back

Yes, because both simplify to 1:2.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of 4 birds to 6 snakes?

Back

The ratio of birds to snakes is 2:3.

Front

What is the missing number in the ratio 3:x = 12:4?

Back

The missing number is 12.

Front

Which ratio is equivalent to 3:4?

Back

6:8 is equivalent to 3:4.

Front

How do you find the total number of items in a ratio?

Back

Add the parts of the ratio together to find the total number of items.

Front

What is the ratio of 2 dogs to 11 total pets (2 dogs, 4 cats, 5 hamsters)?

Back

The ratio of dogs to all pets is 2:11.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, what is the equivalent ratio for 4 cups of flour?

Back

The equivalent ratio for 4 cups of flour is 6 cups of sugar (4:6).