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 sample Q from each layer teach-learn questions layer 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 practise-learn worksheets print hints s/s 2pp s/s 4pp s/s 2pp s/s 4pp s/s 4pp s/s 4pp s/s 4pp s/s 4pp s/s 4pp d/s 2pp d/s 2pp d/s 2pp d/s 2pp d/s 2pp

### NC information

National curriculum code and descriptions (partially) covered by the strands

N6 use positive integer powers and associated real roots (square, cube and higher), recognise powers of 2, 3, 4, 5 estimate powers and roots of any given positive number

N7 calculate with roots, and with integer indices; calculate with and fractional indices