A LITTLE SOMETHING WORTH KNOWING
A small discovery. Yours to pass on.
Math & LogicOne small ahaProduct16 × 5
Think it. Then flip it.✳ ahamoraTap to reveal ↻Back to the cue ↶
Math & LogicOne small aha
Your new aha80
✳ ahamoraReference ↗16 groups of 5 make 80. Reversing the factors, 5 × 16, gives the same product. Source: Multiplication table ↗