Integer Rules

20 + (-5)

• -25

• 25

• 15

• -15

-9 + (-1)

• -10

• 9

• -91

• -9

-136 x 0

• -1360

• -1

• -136

• 0

-7 + 4

• -3

• -11

• 3

• -28

In multiplication the answer is positive if there is

• one negative sign

• two negative signs

• three negative signs

• four negative signs

• zero negative signs

The integers rules are the same for which 2 operations

• addition

• subtraction

• multiplication

• division

We apply the integer rules to

• whole numbers

• fractions

• decimals

• mixed numbers

• irrational numbers

In multiplication and division the sign is always determine by

• the largest number

• the most negative or positive numbers

• If an odd or even amount of positive numbers

• If an odd or even number of negative numbers

In multiplication if both numbers are negative

• always positive

• always negative

-5 − (-7)

• -12

• 12

• 2

• -2