Denton West End Primary School

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Balmoral Drive, Manchester, Lancashire, M34 2JX

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Multiplication - Mental Methods

Developing Mental Calculation Methods

Partitioning

e.g.24 x 5 = 20 x 5 = 100
4 x 5 = 20
100 + 20 = 100

Compensation - rounding and adjusting

Multiplying by 10/ 100

Doubling and halving (x 2 then x 4 then x 8......)

Factors (x 6 = x 2 then x 3)

Multiplication vocabulary includes; Count, double, pair, share, multiply, multiplied by, multiple of, repeated addition, array, partitioning, lots of, groups of, times.