# Partition and add

Answers

Hi, I think they want you to come up with 5 calculations that would be difficult to do in your head, and then use the "partition" method to solve them.

28 June 2011

So for example, if we had we could break that up into a simpler calculation and solve bits of it as a we go.

28 June 2011

So splitting 34 like so makes adding to it easier, infact we could split . Giving us . We know how to do and so the whole thing becomes

28 June 2011

It might be easier to think about it graphically, this document has some nice summaries of the method: http://www.kewriverside.richmond.sch.uk/parents/mathseve/calculation.pdf

28 June 2011

A better way to write the answer is like this:

28 June 2011

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