Topic 2

Front

Do the ratios form a proportion?

Back

No, they do not form a proportion.

Front

Which is the slowest reading rate? 3 pages in 9 minutes, 4 pages in 10 minutes, 5 pages in 13 minutes, 7 pages in 20 minutes

Back

3 pages in 9 minutes

Front

What is the missing value for x? 21, 27, 30, 45

Back

30

Front

Solve the proportion: 3, 24, 21, 12

Back

21

Front

88 students for 4 classes. How many students per class? 22 students per class, 22 classes per student, 25 students per class, 25 classes per student

Back

22 students per class

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you find the missing value in a proportion?

Back

Cross-multiply the known values and solve for the unknown.

Front

What is the formula for calculating reading rate?

Back

Reading Rate = Total Pages Read / Total Time Taken.

Front

If 4 pages take 10 minutes, how long will 10 pages take?

Back

25 minutes.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equivalent.