TOPIC-5: Ratios and Rates UPDATED

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

How do you convert millimeters to centimeters?

Back

To convert millimeters to centimeters, divide the number of millimeters by 10.

Front

What is a rate?

Back

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

Front

How do you find the unit rate?

Back

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

Front

If 5 mangoes cost $6.00, what is the cost per mango?

Back

The cost per mango is $1.20.

Front

What is the relationship between laps run and laps walked in gym class if students run 12 laps?

Back

If students run 12 laps, they will walk 8 laps, maintaining a ratio of 2 laps walked for every 3 laps run.

Front

How do you convert kilograms to grams?

Back

To convert kilograms to grams, multiply the number of kilograms by 1000.

Front

What is the unit rate of $40 for 5 pounds of concrete?

Back

The unit rate is $8 per pound.

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

You need 4 cups of sugar for 6 cups of flour.

Front

What is the better value: $5.00 for 4 mangoes or $6.00 for 5 mangoes?

Back

$6.00 for 5 mangoes is the better value.