Quick! What's 6 x 8? 7 x 6? The trickiest multiplications for kids aged 5-8. How many do you still struggle with?
The best part is it’s not 100% symmetrical along the diagonal
I noticed that as well and think that’s an interesting result. The asymmetry tells us something about how kids learn to multiply, though I am not sure what that something is.
Multiplication of small numbers is pure memorization. So this tells us they learn one ordering more than the other.