Maths Terminology Crossword

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Across
  1. 2. to reduce a fraction to it's lowest form
  2. 4. length x width calculation
  3. 7. a number below zero
  4. 8. the chance of an event occurring
  5. 10. the measure from one side of a circle to the other, passing through the centre
  6. 11. half of the measure of the diameter
  7. 13. the most commonly occurring number in a set
Down
  1. 1. length x width x height calculation
  2. 3. part of a whole number
  3. 5. total length of all sides of a shape
  4. 6. the middle value of a set of numbers
  5. 9. the difference between the highest and lowest values in a set of numbers
  6. 12. the form a number is written in