Ratios and Percents

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 simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is an equivalent ratio?

Back

Equivalent ratios are ratios that express the same relationship between numbers, even if the numbers themselves are different.

Front

How do you find equivalent ratios?

Back

To find equivalent ratios, multiply or divide both terms of the ratio by the same non-zero number.

Front

What is the unit price?

Back

The unit price is the cost per single unit of a product, calculated by dividing the total cost by the number of units.

Front

How do you calculate the total number of items from a ratio?

Back

To calculate the total number of items from a ratio, add the parts of the ratio together and then use the total to find the individual quantities.

Front

What is the relationship between ratios and fractions?

Back

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

Front

How do you convert a ratio to a percentage?

Back

To convert a ratio to a percentage, divide the first term by the sum of both terms and multiply by 100.

Front

What is the ratio of boys to girls if there are 15 boys and 45 girls?

Back

The ratio of boys to girls is 1:3.

Front

How do you find the ratio of a part to a whole?

Back

To find the ratio of a part to a whole, divide the part by the total and express it in simplest form.