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n Learning and Teaching Mathematics - Staircase problem continued

Volume 2011, Issue 11
  • ISSN : 1990-6811

Abstract

In the May 2010 issue of (No. 8) I reported on a variety of solutions offered by teachers to the "Staircase" problem ("Let Me Count The Ways", p. 56). The problem entails finding the sum 1 + 2 + 3 + 4 + 5 + ... + n by finding the area of a staircase figure that has a base of squares as shown in Figure 1.

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/content/amesal/2011/11/EJC20690
2011-08-01
2019-10-18

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