Q&A #15735

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

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From: matthew smith

To: Teacher2Teacher Public Discussion
Date: 2007112204:52:12
Subject: maths

don't bother going into cubes you can introduce another variable by changing the step in the number grid. for example, go up in 2's, 3's, 4's .... t's. this introduces that fourth variable to get the A* D = n(t^2)(r-1)(s-1) for an r by s rectangle on an n by n grid going up in t's. hope this helps

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