Pre- al: fractional rates

Pre- al: fractional rates

Assessment

Flashcard

Mathematics

7th - 8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

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 one unit. It is often used to determine the cost per item, speed, or other rates.

2.

FLASHCARD QUESTION

Front

How do you convert feet per minute to inches per hour?

Back

To convert feet per minute to inches per hour, multiply the number of feet by 12 (to convert to inches) and then multiply by 60 (to convert minutes to hours).

3.

FLASHCARD QUESTION

Front

What is dimensional analysis?

Back

Dimensional analysis is a mathematical technique used to convert one unit of measurement to another using conversion factors.

4.

FLASHCARD QUESTION

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units (items) to determine the cost per unit.

5.

FLASHCARD QUESTION

Front

What is the formula for calculating speed?

Back

Speed is calculated using the formula: Speed = Distance / Time.

6.

FLASHCARD QUESTION

Front

If a person earns $200 for 8 hours of work, how do you calculate their hourly wage?

Back

To calculate the hourly wage, divide the total earnings by the total hours worked: Hourly Wage = Total Earnings / Total Hours.

7.

FLASHCARD QUESTION

Front

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

Back

Unit rates help consumers make informed decisions by comparing prices, speeds, and other rates to find the best value.

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