Spelling Challenge

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Across
  1. 4. materials available in our environment
  2. 5. limited in nature
  3. 7. a form of something
  4. 8. have a portion of something with others
  5. 9. the earth
  6. 10. part of a fraction above the line
Down
  1. 1. endless in quantity
  2. 2. a set of three similar things
  3. 3. a numerical quantity that is not a whole
  4. 6. the number below the line in a fraction