Math crossword

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Across
  1. 1. not left
  2. 4. the thing you make when you sell something
  3. 5. to get bigger
  4. 7. a nine sided shape
  5. 11. to make somerthing shorter
  6. 14. when you make something you must c........ it
  7. 15. the e.... answer of something
  8. 16. a ten sided shape
  9. 17. to grow bigger
  10. 18. to put two numbers together
  11. 20. doing down
  12. 22. an equal four sided shape
  13. 23. another word for times
  14. 24. a three sided shape
Down
  1. 2. a six sided shape
  2. 3. something will c... a cetain amount
  3. 4. a series of numbers, shapes or sounds
  4. 5. a form of triangle
  5. 6. an educated guess
  6. 8. a twelve sided shape
  7. 9. the square .... of something
  8. 10. a five sided shape
  9. 12. not forwards
  10. 13. not exact but close
  11. 19. a number has a certain amount of de..... places
  12. 21. the same on both sides
  13. 22. to take one number away from another