While it seems ridiculous to do this with a simple problem like 7x5, it’s teaching techniques that can be used on much bigger numbers.
This is teaching the “distributive” property of mathematics.
Hopefully they already know 7x5 = 35.
“Hopefully they already know 7x5 = 35.”
Actually they no longer memorize the multiplication table up to 12.
If they don’t ‘get’ it using the SIX STEPS (as opposed to just remembering that 7X5 = 35) then they’re screwed.
The devil in the details. The easy way is not taught. In fact there is no time for stacking and memorization as the time is spent on the techniques beyond the age appropriate material.
I see your shorter response beat my longer winded rant that basically said the same thing. Everyone says I blather on too much!
4
Common Core puts the cart before the horse.
Children should be taught the basics first then tricks and other ways of looking at a problem.
Kids need to memorize the times tables. It’s a basic skill set that needs to be acquired.
These methods make children intellectually hollow.
They are left not understanding why things work.
I swear, all of CC seems to operate under the notion that everyone who lived before now was an idiot and had no idea what they were doing.
ah yes... distributive... I thought it was transitive.
To 3rd graders who cannot think abstractly?
Not a good idea. Their brains will be mush.