Adding & Subtracting 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 does it mean to add a negative number?

Back

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

Front

What is the result of adding two negative numbers?

Back

The result is always a negative number.

Front

What is the result of subtracting a negative number from a positive number?

Back

The result is the same as adding the absolute value of that negative number.

Front

Evaluate: −3 − (−4) − (−2) + 1

Back

4

Front

Which expression is equivalent to: -7 - 8?

Back

-7 + (-8)

Front

Find an equivalent expression for: -4 - (-2)

Back

-4 + 2

Front

Which equation describes the picture? (-4) + (-6) = ?

Back

(-10)

Front

Evaluate: −5 − 15 - (-5) + 15

Back

0

Front

What is the rule for subtracting rational numbers?

Back

To subtract a rational number, add its opposite.