DCP #2 REVIEW 6.5B 6.4G 6.3D 6.1C

Front

What is a ratio?

Back

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

Front

If the ratio of boys to girls in a class is 6:5 and there are 18 boys, how many girls are there?

Back

15 girls.

Front

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

Back

Add the numbers in the ratio together. For example, in a 6:5 ratio, the total parts are 6 + 5 = 11.

Front

What is the ratio of lemonade and sodas sold to candy bars sold if 7 lemonade and sodas were sold for every 6 candy bars?

Back

7:6.

Front

What does it mean if a ratio is simplified?

Back

A simplified ratio is expressed in its lowest terms, meaning that both numbers have no common factors other than 1.

Front

If a class has a ratio of 4 boys to 3 girls, how many girls are there if there are 12 boys?

Back

9 girls.

Front

What is the first step to solve a ratio problem?

Back

Identify the quantities involved and their relationship.

Front

In a ratio of 3:4, what does the number 3 represent?

Back

The number 3 represents the first quantity in the relationship, while 4 represents the second quantity.

Front

How can you express a ratio as a fraction?

Back

A ratio of a:b can be expressed as the fraction a/b.

Front

What is the relationship between ratios and proportions?

Back

A proportion states that two ratios are equal.