Operations of Rational Numbers Test Review

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 find the change from a purchase?

Back

To find the change, subtract the total cost from the amount paid.

Front

If 60 erasers cost $4.68, how much change should you receive if you pay with a $10 bill?

Back

$5.32

Front

What is the value of a black chip in the game?

Back

Each black chip is worth 1.5 points.

Front

What is the value of a red chip in the game?

Back

Each red chip is worth -0.5 points.

Front

If Sharon has 10 black chips and 29 red chips, what is her total score?

Back

0.5 points.

Front

How do you calculate average speed?

Back

Average speed is calculated by dividing the total distance traveled by the total time taken.

Front

If Mr. Williams ran 13.2 miles in 1.6 hours, what was his average speed?

Back

8.25 mph.

Front

What happens when you multiply a negative number by a positive number?

Back

The result is negative.

Front

What happens when you divide a negative number by a positive number?

Back

The result is negative.