Re:What’s Wrong with “Multiplication Is Repeated Addition”? ...
by AzzieElbab on Wednesday March 03, 2021 @08:43AM
(#26328149)
That is exactly how I explained multiplication to my 5 years old, right after getting him into programming by playing with profunctor optics
[ Parent
| on HN ]
Re:What’s Wrong with “Multiplication Is Repeated Addition”? ...
by Garlef on Wednesday March 03, 2021 @09:00AM
(#26328354)
I learned adding from counting disjoint unions of dots.
I learned multiplication from counting squares of dots.
But agreed: I learned about exponentiation first via repeated multiplication.
Re:What’s Wrong with “Multiplication Is Repeated Addition”? ...
by AzzieElbab on Wednesday March 03, 2021 @09:27AM
(#26328671)
That is very cool. I prefer geometric/visual approaches. Like move that many steps along the line, figure out area of a rectangle and so on
Re:What’s Wrong with “Multiplication Is Repeated Addition”? ...
by YeGoblynQueenne on Wednesday March 03, 2021 @09:12AM
(#26328501)
You waited 5 years to teach programming to your 5 year old?