> It's different when it's written down as a math expression or word problem
Isn't this the actual core of the problem then? If a kid can do $100-$100 but can't do 20-8, the problem is he doesn't understand how to map the things in real life he knows, to the symbols you're showing him.
If only there were some way of doing math where different symbols were substituted such that people could recognize patterns that they had difficulty understanding with the original symbols.
Isn't this the actual core of the problem then? If a kid can do $100-$100 but can't do 20-8, the problem is he doesn't understand how to map the things in real life he knows, to the symbols you're showing him.