Unit Rate Check for understanding

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What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as miles per hour or dollars per pound.

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How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you have 40 jumps in 4 minutes, divide 40 by 4 to find the jumps per minute.

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If a person can complete a task in a certain amount of time, how can you find their rate of completion per unit of time?

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Divide the total amount of work done by the total time taken. This gives you the rate of completion per unit of time.

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What is the unit rate of 95 cars washed in 5 days?

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The unit rate is 19 cars per day, calculated by dividing 95 by 5.

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How do you convert a total cost into a unit price?

Back

To convert a total cost into a unit price, divide the total cost by the total quantity. For example, $40 for 5 pounds of concrete gives a unit price of $8 per pound.

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

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Unit rates help compare different quantities and make informed decisions, such as determining the best value for money or the most efficient use of time.

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How can you express a unit rate as a fraction?

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A unit rate can be expressed as a fraction where the numerator is the total quantity and the denominator is the total number of units, simplifying to a rate per one unit.

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What is the unit rate of typing speed if 408 words are typed in 4 minutes?

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The unit rate is 102 words per minute, calculated by dividing 408 by 4.

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Why is it important to understand unit rates in mathematics?

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Understanding unit rates is important because it allows for the comparison of different rates and helps in solving real-world problems involving ratios and proportions.

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What is an example of a unit rate in everyday life?

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An example of a unit rate is the price of gasoline, such as $3.50 per gallon.