Ratios review

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 determine if two ratios are equivalent?

Back

Two ratios are equivalent if they simplify to the same fraction or if their cross products are equal.

Front

What is the ratio of apples to oranges if there are 5 apples and 8 oranges?

Back

The ratio of apples to oranges is 5:8.

Front

If a class has a ratio of 4:3 for kids who like grape juice to those who like pineapple juice, how many kids like pineapple juice if 30 kids like grape juice?

Back

40 kids like pineapple juice.

Front

What is the ratio of girls to boys if there are 48 boys and the ratio is 3:8?

Back

There are 18 girls.

Front

How can tape diagrams help in solving ratio problems?

Back

Tape diagrams visually represent ratios, making it easier to see relationships and solve for unknowns.

Front

What is the equivalent ratio of 15 for 5 pairs of socks?

Back

The equivalent ratio is 3:1.

Front

If the ratio of two quantities is 2:5, what is the fraction representation?

Back

The fraction representation is 2/5.

Front

How do you simplify the ratio 8:2?

Back

The simplified ratio is 4:1.

Front

What does it mean if two ratios are not equivalent?

Back

It means that the two ratios do not represent the same relationship between the quantities.