Adding, Subtracting, Multiplying, & Dividing Rational Numbers

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

What is the sum of -12 and -8?

Back

-20

Front

How do you add two negative numbers?

Back

When adding two negative numbers, you add their absolute values and keep the negative sign.

Front

What is the result of -8 \frac{1}{6} + \frac{5}{6}?

Back

-7 \frac{2}{6} or -7 \frac{1}{3}.

Front

What is the sum of 27 and -83?

Back

-56

Front

What is the rule for subtracting rational numbers?

Back

You change subtraction to addition, change the sign of the second number, and then follow the addition rules.

Front

Evaluate: -19 - 10

Back

-29

Front

What happens when you subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is a positive number.

Front

What is the quotient of -20 divided by 4?

Back

-5