Rational Numbers Word Problems Check Point 2.4

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you divide a total amount evenly among a number of pages?

Back

To find the number of items per page, divide the total amount by the number of pages. For example, if you have 60 photos and p pages, the expression is 60 / p.

Front

What is the formula to calculate weekly earnings based on hourly wage?

Back

To calculate weekly earnings, multiply the hourly wage (d) by the number of hours worked (40). The expression is 40d.

Front

How do you calculate the final price of a stock after multiple changes in price?

Back

Start with the initial price and add or subtract the changes. For example, starting at $37, the final price after changes of -$3, +$1, -$7, and +$4 is $32.

Front

What is the process to find the amount of candy in each jar when dividing a total weight?

Back

To find the amount of candy in each jar, divide the total weight by the number of jars. For example, 8.32 pounds divided by 8 jars equals 1.04 pounds per jar.

Front

How do you represent a gain and loss in yardage in football?

Back

Use integers to represent gains as positive and losses as negative. For example, a gain of 9 yards and a loss of 22 yards can be represented as 9 + (-22).

Front

What does the expression 60 / p represent in a word problem?

Back

It represents the number of photos on each page when 60 photos are divided evenly among p pages.

Front

What does the expression 40d represent in a word problem?

Back

It represents the total earnings of a mail delivery person who earns d dollars per hour and works for 40 hours.

Front

How do you calculate the overall change in position in a football game?

Back

Add the gains and losses together. For example, 9 yards gained and 22 yards lost is calculated as 9 + (-22) = -13.

Front

What is the significance of the denominator in a fraction?

Back

The denominator indicates how many equal parts the whole is divided into. In the expression 60 / p, p is the number of parts.