Rules for Operations on Integers

Positive + Positive

• +

• -

• depends on which number is larger

Positive + Negative

• +

• -

• depends on which number is larger

Negative + Positive

• +

• -

• depends on which number is larger

Negative + Negative

• +

• -

• depends on which number is larger

Positive - Positive

• +

• -

• depends on which number is larger

Positive - Negative

• +

• -

• depends on which number is larger

Negative - Positive

• +

• -

• depends on which number is larger

Negative - Negative

• +

• -

• depends on which number is larger

Positive x Positive

• +

• -

• depends on which number is larger

Positive x Negative

• +

• -

• depends on which number is larger