Rational Number Operations

Front

What is a rational number?

Back

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

Front

What does it mean to add a negative number?

Back

Adding a negative number is the same as subtracting the absolute value of that number.

Front

What is the result of -3 + 5?

Back

2

Front

How do you subtract a negative number?

Back

Subtracting a negative number is the same as adding its absolute value.

Front

What is the sum of -4 and -6?

Back

-10

Front

What is the difference between two temperatures: 136°F and -50°F?

Back

186°F

Front

If you have ½ of a collection and then take ½ of that, what fraction of the original collection do you have?

Back

¼ of the original collection.

Front

What is the result of -3 ¼ + ½?

Back

-2 ¾

Front

What does it mean to overdraw a bank account?

Back

To overdraw a bank account means to withdraw more money than is available in the account, resulting in a negative balance.

Front

If a football team loses 9 yards on each of three plays, what is the total loss?

Back

-27 yards.