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Teachers' Lounge Discussion: GCSE Coursework (Number Grid Investigation),3D cubes rule I despereatley need

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From: claire

To: Teacher2Teacher Public Discussion
Date: 2007050510:32:34
Subject: Re: Number Grid

hi 10 by 10 grid differences: 2x2 = 10 3x3 = 40 4x4 = 90 5x5 160 the pattern is when u take the zero off the difference they are all sqared numbers the formular is nxn (n-1)(n-1) hope this helps

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