Start at 27
Ok am I the only one thinking that that's horse poop?
I'm not great with math and I admit that but this is my approach:
My husband who is an engineer said that he would Solve 52-27 like this:
We both find the above way very long and has unnecessary steps.
The reason I ask is because on another board the teacher said that this was the method that people with strong math concepts use to figure out problems in their head.
Also I see this frequently as CC aligned or how the CC says to figure out these problems. To me all those steps are confusing. I dunno... I just don't get it.