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Number Stairs Aim The intention of this investigation is to find the stair total of a stair shape when I know the stair number, I should endeavour to know this stair total in any size number grid. Introduction Here is an example of a stair shape; This particular stair shape would be described as a 3-step stair, as it has three tiers; there are 3 levels hence 3-step stair. Adding all the digits within the stair shape together can identify the stair total, I.e. the stair total in the diagram above would be 45+35+36+25+26+27= 194 This number is the stair total To calculate the position of the stair shape I must select a particular stair number (this is what I have named it.) I have decided to use the bottom left- hand digit, which in my diagram (above) is 25 (and circled.) I am now going to investigate how the position of the...

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