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t totals
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investigation into T-shapes Looking at the 9-9 grid below and the T-shape drawn on it, The total number of the numbers on the inside of the T-shape is called the T-total 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 82 83 84 85 86 87 88 89 90 The t-total for this T-shape is: 1+2+3+11+20=37 So 37 = T-total The number at the bottom is the T-number, So the T-number for this shape is 20 Aims: 1) Investigate the relationship between the T-total and the T-number 2) Use the grids of different sizes.
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