2 ms·
> In the past, anyone who went to grade school could answer 6 * 7 off the top of their head, and do basic mental math. We've pretty much lost that. Source?
by wiseowise 2y ago
> In the past, anyone who went to grade school could answer 6 * 7 off the top of their head, and do basic mental math. We've pretty much lost that.
Source?
- turnsout 2y agoObserving people around me