6th Grade Ratios and Rates Review

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 express a ratio as a fraction?

Back

To express a ratio as a fraction, write the first quantity as the numerator and the second quantity as the denominator.

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

Front

Convert 18 ounces to cups. How many cups are in 18 ounces?

Back

There are 2.25 cups in 18 ounces (1 cup = 8 ounces).

Front

What is the unit rate?

Back

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

Front

How do you find the best deal when comparing prices?

Back

To find the best deal, calculate the price per unit for each option and compare them.

Front

How many grams are in 1 kilogram?

Back

There are 1000 grams in 1 kilogram.

Front

If Sarah buys 15 kg of tomatoes for $32.25, what is the price per kilogram?

Back

The price per kilogram is $2.15 ($32.25 ÷ 15 kg).

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

How do you calculate tasks per hour?

Back

To calculate tasks per hour, divide the total number of tasks by the total hours worked.