Archives for "December, 2008"
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Free maths worksheet: subtracting from multiples of 10
Subtracting from multiples of 10 in your head by mathsblog.co.uk Subtracting a 2 digit number from a multiple of 10 can be done ‘in your head’, but it does need care and using an efficient method. Let’s look at: 50 – 27 Probably the easiest way to do this is by ‘counting on’. Step 1: [...]
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