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Topics: Starter  Arithmetic  Investigations  Puzzles
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how teachers could present or develop this resource? Do you have any comments? It is always useful to receive
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Previous Day  This starter is for 3 June  Next Day
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Can you prove that the centre number has to be odd?
You may want to print out this page, cut out each answer and arrange them into groups. This may help you spot patterns.
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Teacher, do your students have access to computers such as tablets, iPads or Laptops? This page was really designed for projection on a whiteboard but if you really want the students to have access to it here is a concise URL for a version of this page without the comments: Transum.org/go/?Start=June3 However it would be better to assign one of the student interactive activities below. 

Here is the URL which will take them to a multilevel version of this activity.