Ratios Practice #1

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 does 'part to part' ratio mean?

Back

A 'part to part' ratio compares different parts of a whole to each other.

Front

What does 'whole to part' ratio mean?

Back

A 'whole to part' ratio compares the entire quantity to one of its parts.

Front

What does 'part to whole' ratio mean?

Back

A 'part to whole' ratio compares a part of the quantity to the entire quantity.

Front

What is the 'whole to whole' ratio?

Back

A 'whole to whole' ratio compares two complete quantities, but it is not a standard way to compare ratios.

Front

How do you determine if two ratios are equivalent?

Back

You can determine if two ratios are equivalent by cross-multiplying and checking if the products are equal.

Front

What is the cross multiplication method?

Back

The cross multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio and vice versa.

Front

If the ratio of scary movies to all movies is 1:7, what does this mean?

Back

This means for every 1 scary movie, there are 7 total movies.

Front

How do you solve for x in a proportion?

Back

To solve for x in a proportion, set up the equation and use cross multiplication to isolate x.

Front

What is the ratio of pages with pictures to total pages in a book with 55 pages with pictures and 45 without?

Back

The ratio is 55 to 100, or simplified, 11 to 20.