Math Review Crossword Puzzle

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Across
  1. 4. the 7 in 7/9
  2. 7. writing a number as the sum of the values of its digits
  3. 9. 17 in word form
  4. 10. 5 is a _______ of 10
  5. 11. the usual way of writing a number
  6. 13. sixty-seven is in ______ form
  7. 15. 7/9 can also be written as 7 _____ by 9
  8. 17. 3/6 and 4/6 are _______ fractions
  9. 18. 67 is in ________ form
  10. 19. 7/8 is in ______ form but 14/16 is not
  11. 20. 1,000 is a ______ of 10
Down
  1. 1. 60 is a _______ of 10
  2. 2. 1/2 and 4/8 are _______ fractions
  3. 3. a part of a whole or part of a set
  4. 5. 6 x 10 + 7 x 1 is in _______ form
  5. 6. 6/5 is an _______ fraction
  6. 8. 7.6 in word form
  7. 12. 35 in word form
  8. 14. a number with a decimal point in it
  9. 16. the 10 in 3/10