Math - Negative Numbers

Negative numbers are numbers less than zero and represent debt, deficiency, direction, and more.

Negative Number Arithmetic

Addition

$-5 + (-3) = -8$

$-5 + 3 = -2$

Subtraction

$8 - 3 = 5$

$-3 - 3 = -6$

Multiplication

$-3 \times 5 = -15$
$-3 \times -5 = 15$

Division

$-10\div2 = -5$
$-10\div-2 = 5$

Law of Signs

Addition & Subtraction

$(-)(-) = (-)\\ (+)(+) = (+)\\ \LARGE(-)\normalsize (+) = (-)\\ \LARGE(+)\normalsize (-) = (+)$

Multiplication & Division

$(-)(-) = (+)\\ (+)(+) = (+)\\ (-)(+) = (-)\\ (+)(-) = (-)$