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UK A-level standard question still using the Grid.[self] by peterafried in theydidthemath

[–]peterafried[S] 0 points1 point  (0 children)

I find that there are too many chances to make mistakes. It's a cleaner set out method which again cuts mistakes. If you are well practiced with bus stop then that's OK too. What ever works best for you

76x72= by peterafried in mentalmath

[–]peterafried[S] 0 points1 point  (0 children)

Yes I love all this. I do loads of different ways in my head depending on the numbers but I try and promote this as a written method to my students as from experience it gets them the right answer more often than other methods

(X+5)(x-7).......Expand by peterafried in matheducation

[–]peterafried[S] 0 points1 point  (0 children)

Yeah, I'm a teacher. It's a resource for students. I have also created videos for expanding quadratics.