Maths:- Crossword Puzzle Activity

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Across
  1. 3. descartes invented the idea of placing two____ perpendicular to each other on a plane.
  2. 5. What Theorem do we use to Find Length of Triangles
  3. 8. X is abscissa, y is ordinate. what is the coordinate (0,0) called on a cartesian plane ?
  4. 9. What type of Data is Ungrouped Data
  5. 10. collecting and analysing __________ in large quantities is Called Statistics.
  6. 11. This is a way of representing quantitative data and it’s frequencies.
Down
  1. 1. Midpoints of class intervals are known as
  2. 2. This type of representation is used for continuous class intervals.
  3. 4. The word statistics is derived from _____ word !
  4. 6. heron was Born in Which City
  5. 7. How many metres is one Hectare ? (Answer in Spellings)