[NorthMountain]

1) "According to Common Core defenders, this method will be useful when students do more advanced math. " Really? I say their excuse is bullS#!+.

2) Commutative Property of Multiplication.

3) Do these people know the difference between arithmetic and mathematics?

[editor-surveyor]

.
>> “ Do these people know the difference between arithmetic and mathematics?” <<

.
No, obviously.
.