How would i work out 26 × 19 non-calculator?

How would i work out 26 × 19 non-calculator?

Answers
One way of doing it, is to break it down into simple steps.
jon.ellis
25 June 2011
So 26x19 is close enough to 26x20. So with some multiplication, addition and subtraction, we can work it out.
jon.ellis
25 June 2011
So 26 x 10 = 260 plus another 260 = 520. But this is 26 too much. So 520 - 26 = 494.
jon.ellis
25 June 2011
or you could do the chinese box method its easy and shows working out you can also use it for hundreds thousands and decimals numbers
jjbaby
26 June 2011
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