Math 6-Rates and Unit Rates Test Review

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often with different units, such as miles per hour or cost per item.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit. For example, if a car travels 60 miles in 2 hours, the unit rate is 30 miles per hour.

Front

How do you find the unit rate from a given rate?

Back

To find the unit rate, divide the first quantity by the second quantity. For example, if Linda washes 26 bowls in 4 minutes, the unit rate is 26 ÷ 4 = 6.5 bowls per minute.

Front

If Daysha reads 125 pages and earns 5 points, what is her rate of points earned per page?

Back

To find the rate, divide the points by the pages: 5 points ÷ 125 pages = 0.04 points per page.

Front

What is the unit rate for rainfall if it rains 6 cm in 3 hours?

Back

To find the unit rate, divide the total rainfall by the time: 6 cm ÷ 3 hours = 2 cm per hour.

Front

If a swimmer covers 100 yards in 2 minutes, what is their speed in yards per minute?

Back

To find the speed, divide the distance by the time: 100 yards ÷ 2 minutes = 50 yards per minute.

Front

What does it mean if a graph shows a straight line?

Back

A straight line on a graph indicates a constant rate of change, meaning the relationship between the two quantities is proportional.

Front

How can you represent a unit rate on a graph?

Back

A unit rate can be represented as a point on a graph where the x-axis represents the first quantity and the y-axis represents the second quantity.

Front

What is the formula for calculating a rate?

Back

The formula for calculating a rate is: Rate = Quantity 1 ÷ Quantity 2.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

To find the unit rate, divide the distance by the time: 150 miles ÷ 3 hours = 50 miles per hour.