Exercise is good for you

‘Practice makes perfect’ is a commonplace phrase, but like most commonplace phrases, it is an over simplification. Certainly an expert has to put in lots and lots of practice, but the psychology of successful exercising involves a particular flow of energy. The mathematics has, in some way, to inspire the learner to want to practice. […]

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Fractional Powers

One aside on fractional indices, from a friend.  When teaching about expressions such as the one above he draws a picture of a flower.  The roots go down below the ground (the line) and the 2 in the power is below the line so 2 represents the root.  Then he spins a long tale about […]

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