unit 6 retest

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a single unit. For example, if a pump moves 42 gallons in 7 minutes, the unit rate is 6 gallons per minute.

Front

How do you convert millimeters to centimeters?

Back

To convert millimeters to centimeters, divide the number of millimeters by 10. For example, 50 millimeters is equal to 5 centimeters.

Front

How many quarts are in a gallon?

Back

There are 4 quarts in a gallon. Therefore, to find out how many quarts are in 2 gallons, multiply 2 by 4, which equals 8 quarts.

Front

How do you calculate the unit cost of an item?

Back

To calculate the unit cost, divide the total cost by the number of items. For example, if 15 pizzas cost $97.50, the unit cost per pizza is $97.50 ÷ 15 = $6.50.

Front

What is the formula to find the reading rate?

Back

The reading rate can be calculated by dividing the number of pages read by the time taken in minutes. For example, if you read 3 pages in 9 minutes, the reading rate is 3 ÷ 9 = 0.33 pages per minute.

Front

What is the significance of unit rates in real-life applications?

Back

Unit rates help in making comparisons and informed decisions in various situations, such as shopping, cooking, and budgeting.

Front

How do you find the slowest reading rate among different options?

Back

To find the slowest reading rate, calculate the reading rate for each option and compare them. The option with the lowest rate is the slowest.

Front

What is the relationship between gallons and quarts?

Back

1 gallon is equal to 4 quarts. Therefore, to convert gallons to quarts, multiply the number of gallons by 4.

Front

How do you determine the total cost of multiple items?

Back

To determine the total cost, multiply the unit price of the item by the quantity purchased. For example, if one pizza costs $6.50 and you buy 15, the total cost is $6.50 × 15 = $97.50.

Front

What is the process for converting between different units of measurement?

Back

To convert between different units, use conversion factors that relate the units. For example, to convert millimeters to centimeters, use the factor that 1 cm = 10 mm.