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A paper spinner with a paper clip and a pencil used as a pivot
A simple spinner

Making your own spinner

Now make your own spinner.

You will need:

  • A printed copy of ‘Spinner Template for Step 1.8’
  • A paperclip
  • A pen or pencil to act as a pivot

Carefully unfold the long ‘arm’ of the paperclip and place the tip of your pencil through the loop in the clip and onto the centre of one of the spinners.

Test your spinner by flicking the long end of the paperclip - it should go round several times before stopping at a random angle.

Later in this activity, we will suggest that you get your students to make their own spinners, following the same procedure.

  • How easy did you find it to make your spinner?
  • Would your students have any difficulties in following the same procedure?

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This article is from the free online course:

Teaching Probability

Cambridge University Press