Guys..if you have 25, 50, 75, 100, 25, 50,100 how will you add the numbers ??
Could you find any strategies that help you count on your head fastly and accurately ??(Ms. Wini )
"85% of calculations done by adults in their daily life."
McIntosh and Northcote 1998.
some get zero like me.....by aradi
BalasHapusmore from me, the firts time i read my teacher's writing in a colour blue, by aradi
BalasHapus