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Jemma Turner 26th April 2002 T-Total Investigation Aim To find a link between the t-number and the t-total by translating the position of the t-shape on a 9 x 9 grid. T-Number The t-number is the number at the bottom of the t-shape. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 I.e. in the grid above, the t-number is 20. T-Total The T-total is the number after adding up the contents of the t-shape. In this case, it's 37, because 1+2+3+11+20 = 37. T-Shape The t-shape is a shape of the portion of numbers to use. It's been highlighted on the grid for you. 1 2 3 10 11 12 19 20 21 I have noticed that the difference between the t-number and the number above it is always 9. This is also the width of the square. T-Number T-Total 20 37 21 42 22 47 23 52 24 57 The difference between the t-totals in succession is 5. 5 is also the amount of numbers there are in a t-shape. Let the t-number be N. Let the width (9), be W. 5N - 7W = t-total Different Sizes and Their Relationship I know this works...

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