6th Ratios/Rates Flashcard

Front

What is a ratio?

Back

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

Front

How do you simplify a ratio?

Back

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

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

How can 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 ratio of 3 to 5 expressed as a fraction?

Back

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

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

If the ratio is 2:3, then for 6 cups of flour, you need 4 cups of sugar (2/3 of 6).

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 calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units to find the amount per one unit.

Front

What is the unit rate of 408 words in 4 minutes?

Back

The unit rate is 102 words per minute (408 words ÷ 4 minutes).

Front

What is an example of an incorrect way to write a ratio?

Back

An incorrect way to write a ratio is 'X and Y'.