Mathematics - Integers - Multiplying and dividing integers - Integer Multiplication & Division

20 problems: (-5)×4, (-3)×(-7), 8×(-2), (-12)÷3, (-20)÷(-4), 15÷(-5). Include problems with multiple operations: (-2)×(-3)×(-1) = -6 (odd number of negatives). Show sign-rule reminder as hint for wrong answers. Track accuracy by rule type (same signs vs different signs).