6.4B

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 simplify a ratio?

Back

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

Front

If a recipe calls for 12 tomatoes and 4 jalapenos, what is the ratio of tomatoes to jalapenos?

Back

The ratio of tomatoes to jalapenos is 3:1.

Front

What is the formula to find the number of items in a proportional relationship?

Back

If a:b = c:d, then a/c = b/d.

Front

How do you find the missing value in a proportion?

Back

Cross-multiply and solve for the missing value.

Front

What is the relationship between the number of pears and peaches in a fruit cocktail if the ratio is 2:3?

Back

For every 2 pears, there are 3 peaches.

Front

If you have 10 pears, how many peaches do you need if the ratio is 2:3?

Back

You need 15 peaches.

Front

What is the concept of scaling in ratios?

Back

Scaling in ratios means multiplying or dividing both terms of the ratio by the same number.

Front

How many pints of blue paint are needed to make 28 pints of green paint if the ratio of blue to yellow is 5:2?

Back

You need 20 pints of blue paint.

Front

What does it mean if a basketball team has a win to loss ratio of 6:1?

Back

For every 6 wins, there is 1 loss.