PRE Ratios, Tables and Unit Rate Flashcard Review

Front

What is a Ratio?

Back

Is a comparison of two quantities.

Front

How much would one chocolate bar cost if 4 chocolate bars are sold for $2.00?

Back

$0.50 per bar.

Front

Find the unit rate of $97.50 for 15 pizzas.

Back

$6.50 per pizza.

Front

What is the unit rate for Alice driving 250 miles in 5 hours?

Back

Front

If the local library has 2 picture books for every 3 chapter books and there are 500 books total, how many are chapter books?

Back

300 chapter books.

Front

What is a Unit Rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

Divide the total quantity by the number of units.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, showing the relationship between two quantities.

Front

If a car travels 180 miles in 3 hours, what is the unit rate in miles per hour?

Back

Front

What does it mean if a ratio is simplified?

Back

It means the ratio is expressed in its lowest terms, where the numerator and denominator have no common factors other than 1.