Subtracting Integers and Rational Numbers

Front

Evaluate: -19 - 10

Back

-29

Front

Evaluate: ¼ − (-¾)

Back

1

Front

Evaluate: -3 - 2

Back

-5

Front

Evaluate: -7 - (-7)

Back

0

Front

What is the rule for subtracting integers?

Back

Change to addition and use the opposite of the second number.

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction a/b, where a and b are integers and b is not zero.

Front

How do you subtract a negative number?

Back

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

Front

What is the result of: 5 - (-3)?

Back

8

Front

What is the result of: -4 - 6?

Back

-10