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Number Grid.
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| Submitted: Thu Sep 04 2003
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GCSE Mathematics Coursework Number Grid Prepared by: Scott Bayfield This investigation relates to the product differences in different sized areas within a 10 x 10 number grid. For example: A 2 x 2 grid has been selected inside of the above grid. The objective of the investigation is to find the product of the bottom right and the top left numbers in the selected area. To calculate the product I must: Multiply the number in the bottom right cell with the number in the top left cell. The product difference is 10. This figure remains the same no matter where I carry out the above sum when used on a 2 x 2 grid within a 10x10 matrix. For example: Example 1 (75 x 86) - (76 x 85) = 10 Example 2 (1 x 12) - (2 x 11) = 10 Example 3 (17 x 28) - (18 x 27) = 10 These examples prove that the...
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