Maths words

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Across
  1. 3. A word beginning with P that means the chance of something happening.
  2. 6. One thousand metres
  3. 7. A four sided shape where all the sides are equal length.
  4. 9. The length of the outside of a shape.
  5. 11. One hundred centimetres
Down
  1. 1. A fraction where the bottom number is 100
  2. 2. Another word for "take away".
  3. 4. This is found by multiplying width by the length and is measured in square metres.
  4. 5. A three sided shape
  5. 8. An average found by adding the values then dividing by the number of values
  6. 10. This is the biggest value minus the smallest.