What sort of maths is an average child able to do by the end of reception? And a bright one?
Am asking because DS has language problems which I think might make him appear less bright than he is. I have the impression his maths is good, but don't know enough kids his age to "place" him.
So:
He can do addition and subtraction in his head up to 10 (reliably) and 20 (reliably 2/3 of the time, sometimes has to use fingers)
Can do halving and quartering of numbers below 20, as well as division by 10.
Has the concept of negative numbers and, for example, the other day worked out by himself that he needed 20 to go from -10 to +10
Can identify common 2/3D shapes.
Thanks