SuccessGED Pre-Algebra: Multiplying with Negative Numbers
POSITIVE X POSITIVE = POSITIVE
+ X + = +
NEGATIVE X NEGATIVE = POSITIVE
- X - = +
POSITIVE X NEGATIVE = NEGATIVE
+ X - = -
NEGATIVE X POSITIVE = NEGATIVE
- X + = -
(If there are an even number of negatives, the answer is POSITIVE; if there are an odd number of negatives the answer is NEGATIVE)
POSITIVE ÷ POSITIVE = POSITIVE
+ ÷ + = +
NEGATIVE ÷ NEGATIVE = POSITIVE
- ÷ - = +
POSITIVE ÷ NEGATIVE = NEGATIVE
+ ÷ - = -
NEGATIVE ÷ POSITIVE = NEGATIVE
- ÷ + = -