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mental arithmetic

(5 Posts)
Eveiebaby Sat 17-Nov-12 15:54:10

Just wondering what's the average age/school year a child should be able to do mental arithmetic at eg counting or subtracting from 20 without the use of a number square or number line etc...

Certainly they are starting it at y1. I don't know whether it is an expectation, though.
thought these two probably go together.

Cat98 Sat 17-Nov-12 16:50:30

My ds can do addition/subtraction in his head consistently up to 20 and up to 100 with a few inconsistencies, but I am told this is very advanced for his age (reception). I would think yr 1 or 2 but maybe a teacher can confirm?

Eveiebaby Sat 17-Nov-12 21:53:51

Thanks everyone for your replies and thanks for linking the other thread which I had not see LaBelle - it has some good tips!

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