WALT Use compensation to solve these multiplication equations
one example is.
249 times 5 =1245
100100 100100 100100 100100 100100=1000
40+40+40+40+40=200
9+9+9+9+9=45
answer 1245
that is the strategy that i have learnt over the past few days here are some of my workings for times tables like that.
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