Math Made Visible

Minus × Minus = Plus?

Name: Minus × Minus = Plus?
Duration: 335 s
Description: You memorized the rule. Nobody showed you why it works. Two flips on a number line — that's the whole secret.

You memorized the rule. Nobody showed you why it works. Two flips on a number line — that's the whole secret.

−3 × −4 = +12. You memorized the rule. Nobody ever showed you why it works. Time to actually see it.

Concepts you just met

Negative NumbersSign RulesNumber LineMultiplication