Maths

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Across
  1. 3. how much liquid or stuff can be fit into a 3d object
  2. 5. three sided shape
  3. 7. whole numbers but not, accurate. .........
  4. 11. numbers with 2 factors
  5. 13. around the circle, right, 180 is straight, etc.
  6. 14. how much space is in a 3d object
  7. 16. shapes and their properties
  8. 17. %%%
  9. 20. division but written with numerators and denominators
  10. 21. calculating how much space a 2d shape takes up
Down
  1. 1. maths teacher who can speak Japanese (STEVENS)
  2. 2. order of operations (with index not exponent)
  3. 4. x, y, solving, factorising, quadratics, etc.
  4. 6. 180<x<360
  5. 8. the best quadrilateral
  6. 9. trajectory of a ball or plotting rectangles with perimeter 28
  7. 10. the outside length of a shape
  8. 12. power of 2 ahahahahaahahahah
  9. 15. what I need right now
  10. 18. head of mathematics
  11. 19. 10100010101001010101010101010