Ratios, Rates, and Unit Conversions 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 solve a proportion?

Back

To solve a proportion, cross-multiply the two fractions and set the products equal to each other.

Front

Convert 3.5 meters to millimeters.

Back

3.5 meters is equivalent to 3,500 millimeters.

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 price per item.

Front

If 8 miles are run every 5 days, how many miles are run in 1 day?

Back

1.6 miles are run in 1 day.

Front

What is the formula to find the total number of items based on a rate?

Back

Total items = Rate × Time.

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Front

If a post office can mail 92 packages in 2 hours, how many packages can it mail in 7 hours?

Back

The post office can mail 322 packages in 7 hours.

Front

What is the relationship between rates and unit conversions?

Back

Rates often require unit conversions to compare quantities accurately.