Mental Maths Year 2 multiplication

advertisement
Year 2 – Mental Maths (multiplication and division)
Recall
 Doubles of all numbers
to 20 and
corresponding halves
 Odd and even numbers
to 100
 Doubles of multiples
of 10 to 100 and
corresponding halves
 Multiplication facts for
2x, 5x and 10x tables
and corresponding
division facts
Mental Calculation Skills (with
jottings if needed)
 Count on from and
back to 0 in 1s,2s,5s, or
10s
 Double any multiple of
5 up to 100
 Half any multiple of 10
up to 100
 Find half of even
numbers to 100
 Find the total number
of objects when they
are organised into
groups of 2, 5 or 10
Mental methods or strategies
 Use patterns of last
digits e.g. 0 and 5
when counting in 5s
 Partition; double the
10s and 1s separately
and then recombine
 Use knowledge that
halving is the inverse
of doubling and that
doubling is equivalent
to multiplying by 2
 Use knowledge of
multiplication facts
from 2x, 5x and 10x
tables
Download