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I will be in investigating the relationship the between the t-total and the t-number. I will be using grids of different sizes to help me solve and find a formula.  

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The Investigation of T-Shapes Introduction I will be in investigating the relationship the between the t-total and the t-number. I will be using grids of different sizes to help me solve and find a formula. Investigation The total number of the numbers on the inside of the T-shape is called the T-total. The number at the bottom of the T-shape is the T-number. The centre column of the T-Shape is going up in 9's because of the table size. With the table set out like this a formula can be worked out to find any T-Total on this size grid. 17 18 19 9 T If you take the other numbers in the T-Shape away from the T-Number you get a T-Shape like this. T-17 T-18 T-19 T-9 T This is done in the working below:- T-total = T-19+T-18+T-17+T-9+T = 5T-63 Now to test this formula to see if it works For T-Total I will use the letter...

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