Making Your Own Sense

Reflections on maths, learning and maths learning support, by David K Butler

The Operation Tower

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I don’t like BODMAS/BEDMAS/PEMDAS/GEMS/GEMA and all of the variations on this theme. I much prefer to use something else, which I have this week decided to call “The Operation Tower”.

A diagram of the Operation Tower. Three stacked boxes with a dotted area on the left hand side. The bottom box has a plus and a minus. The middle box has a times and divide. The top box has an exponent carat and a root symbol. The dotted area on the side contains two shapes of brackets and a horizontal bar.

You can read the rest of this blog post, and the other posts in the series across the years, in PDF form here. 

The titles of the five blog posts are:

  • The reorder of operations
  • (Holding it together)
  • The Operation Tower
  • Replacing
  • Sticky operations

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