Division with negative numbers: A derivation 1  1 = 1 -1  1 = -1 : Identity operation -1  -1 = ? 1 (-1) = ?

Division with negative numbers: A derivation  1 -1 -1  -1 = ? 1 -1 ? ? = -1  ? The relationship between multiplication and division

Division with negative numbers: A derivation  1 -1 -1  -1 = ? 1 -1 ? ? = -1  ? -1 = -1  1

Division with negative numbers: A derivation  1 -1 -1  -1 = ? 1 -1 ? 1 = -1  ? -1 = -1  1

Division with negative numbers: A derivation  1 -1 1 -1 ? 1  -1 = ? 1 0  -1 = 0 (1 – 1) [1 + (-1)]

Division with negative numbers: A derivation  1 -1 1 -1 ? 1  -1 = ? 1 0  -1 = 0 [1 + (-1)]  -1 = 0 -1  -1 = 1

Division with negative numbers: A derivation  1 -1 1 -1 ? 1  -1 = ? 1 0  -1 = 0 (1  -1) + 1 = 0 -1

Division with negative numbers: A derivation  1 -1 1 -1 -1 1  -1 = ? 1 0  -1 = 0 (1  -1) + 1 = 0 -1

Division with negative numbers: A derivation  1 -1  1 -1 Division Multiplication