mathematics crossword

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Across
  1. 5. the action or process of adding something to something else
  2. 7. A 3D shape that forms from a circular base to a point
  3. 8. a a 3D shape with six faces
  4. 9. A unit of length equal to 100 centemetres
  5. 10. a 2D shape with 6 sides
  6. 12. a plan of action designed to achieve a goal
  7. 14. the opposite to positive
  8. 16. an instrument used to draw straight lines or measure distances
  9. 17. to take away from another number
  10. 21. an instrument for measuring angles
  11. 24. a number that can be divided by another number without a remainder
  12. 26. a rounded 3D shape
  13. 27. a 2D shape with 10 straight sides and angles
Down
  1. 1. a repeated design
  2. 2. the opposite to negative
  3. 3. an amount of space between two things or people
  4. 4. a procedure for accomplishing something
  5. 6. a number quantity that is not whole represented with a point
  6. 11. a triangle of which all sides are equal
  7. 12. an order in which things follow each other
  8. 13. the quantities
  9. 15. a visual representation of something
  10. 18. a unit of measurment equal to 1000 metres
  11. 19. a number quantity that is not whole
  12. 20. a law or principle
  13. 22. the part of maths where letters are used to represent numbers
  14. 23. to find hoe many times a number contains another
  15. 24. a procedure for accomplishing something expressed in symbols
  16. 25. the measurement of something from end to end
  17. 28. an instrument used to draw circles or arcs