ratios and proportions test

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

What is a proportion?

Back

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

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the terms and set the products equal to each other.

Front

If 6 ounces of fruit snacks contain 45 pieces, how many pieces are in 10 ounces?

Back

75 Pieces

Front

On a map, if 1 cm represents 25 km, how many kilometers does 7 cm represent?

Back

175 km

Front

What is the formula to find the missing value in a proportion?

Back

If a/b = c/d, then ad = bc.

Front

If 13 out of 20 homes have a computer, how many computers are expected in 60 homes?

Back

39 computers

Front

What does it mean if two ratios are equivalent?

Back

It means that they represent the same relationship between quantities.

Front

How can you express a ratio in simplest form?

Back

By dividing both terms of the ratio by their greatest common divisor.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second is the denominator.