Ratios/Rates

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 a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as miles per hour.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units.

Front

What is the ratio of 3:5 expressed in fraction form?

Back

The ratio 3:5 can be expressed as the fraction 3/5.

Front

If a recipe calls for 2 cups of flour and 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, such as 1:2 and 2:4.

Front

How can you check if two ratios are equivalent?

Back

To check if two ratios are equivalent, cross-multiply and see if the products are equal.

Front

What is the unit rate?

Back

The unit rate is the ratio of a quantity to one unit of another quantity, often expressed as 'per'.

Front

How do you convert a ratio to a percentage?

Back

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