6th Grade Chapter 1 Ratios and Rates Review

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another, often expressed in the form 'a:b'.

Front

How do you simplify a ratio?

Back

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

Front

What is the ratio of apples to oranges if there are 10 apples and 5 oranges?

Back

10:5, which simplifies to 2:1.

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units.

Front

If a train travels 300 miles in 5 hours, what is the unit rate?

Back

50 miles per hour.

Front

If a car travels 240 miles in 4 hours, what is the unit rate?

Back

60 miles per hour.

Front

What is the ratio of blue marbles to red marbles if there are 3 blue and 5 red?

Back

3:5.

Front

How do you express a ratio in simplest form?

Back

To express a ratio in simplest form, divide both parts of the ratio by their GCD.

Front

What is the ratio of cats to dogs if there are 7 cats and 14 dogs?

Back

7:14, which simplifies to 1:2.