median
don steward
mathematics teaching 10 ~ 16

Friday, 16 January 2015

selecting thoughtfully

the second of these resources follows a fine series of posts on MathArguments180 'which values of x do we choose?' (number 330)

  
in case students do not notice, these expressions involve consecutive digits

they could try to create their own...
it's not always easy but students can be encouraged to find (a) more than one answer (b) a family of such answers (with a generalisation)

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