Math

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Across
  1. 2. 4 sides equal
  2. 4. how much a number is equal to
  3. 7. two mathematical statements are equal
  4. 9. opposite sides equal&parallel 4 sides
  5. 11. 4 sides equal, but not parallel
  6. 12. decrease in number
Down
  1. 1. addition
  2. 3. the use of numbers
  3. 5. 246810
  4. 6. shape with 6 sides
  5. 8. 135711
  6. 10. 13579
  7. 11. synonym for a drawing