lemmefixdat4u, 6 months ago Aren’t those all still based on basic addition and multiplication? If you don’t know 2+2=4, breaking down 2*3 into 2+2+2 doesn’t help. Memorization is about speed. Knowing 3*4=12 is much faster than 3+3+3+3.
Aren’t those all still based on basic addition and multiplication? If you don’t know 2+2=4, breaking down 2*3 into 2+2+2 doesn’t help.
Memorization is about speed. Knowing 3*4=12 is much faster than 3+3+3+3.