T-Total Coursework

T- Total coursework

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


















Look at the T-shape drawn on the 9 by 9 number grid.
The total of the numbers inside the T-shape is:
1 + 2 + 3 + 11 + 20 = 37

This is called the T-total.
The number at the bottom of the T-shape is called the T-number.

The T-number for this T-shape is: 20

1 2 3
10 11 12
19 20 21













If you take the other numbers in the T-Shape away f...