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T-Total Part 1 The aim of the investigation is to find out the relationship between the t-number and t-total. The t-number is the number in the t-shape, which is at the base of the T. The t-total is the sum of all numbers inside the t-shape. I will start my investigation by looking at t-shapes on a 9 by 9 grid. To solve the problem of finding the relationship between the t-number and t-total I will look at the information algebraically. I will firstly assign a letter to the t-number of the shape, this letter will be T. I will then express the rest of the numbers in the t-shape with the letter assigned to the t-number in the t-shape. Therefore it will give me a standard expression to apply to all the t-shapes. Where the expression is equal to the t-total. Examples ` The expression works for all t-shapes in a 9 by...

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