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Nathan And Justins Circles

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Nathan And Justins Circles

  1. 1. Why does the circle area formula work? By Nathan Wright and Justin Dreyer Friday 6 th march
  2. 2. Problem <ul><li>Why does the circle area formula work ? </li></ul><ul><li>How do you measure the area of a circle? </li></ul>
  3. 3. Process <ul><li>First we coloured half the circle </li></ul><ul><li>Then we cut the circles </li></ul><ul><li>Then we placed the cut up circle in a rectangle shape </li></ul><ul><li>Then we learnt how to measure the area. </li></ul>
  4. 4. Challenge <ul><li>We found it hard to understand the explanation </li></ul><ul><li>We also found out it was hard to make the right shape </li></ul>
  5. 5. Solution
  6. 6. Circle cut and glued in to a rectangle shape
  7. 7. Thank you for watching