Doubling and Halving

WALT  use doubling and halving in multiplication.

We are learning to use doubling and halving to slove 

multiplication problems 

 e.g 

6x4=24   Using doubling and halving         

So you halve the 4 and double the 6 and you get 12x2 to make it simple and then if you do not know this then you brake it up
into 10x2=20 and 2x2=4 and you plus the the to answers togther 20+4 and you get 24
6x4= 24 

My next learning goal is reversibility and repeated replication. 

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