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Use this easy method of adding numbers to check
your bank statement or supermarket bill.
The usual way to add numbers works from right to
left, and so is not useful for mental maths. Numbers
are written and spoken from left to right and so it is
easier to work from left to right especially when
doing calculations in your head.
� 34 + 52 = 86
This is easy to do from left to right.
We add 3 and 5 to get 8.
And we add 4 and 2 to get 6.
Just practise one or two:
www.classtopper.com
CHECK YOUR BILL
1) 44 + 34 = 2) 52 + 37 = 3) 246 + 642 =
You can use the digit sum method to check these.
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