Math Crossword

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Across
  1. 2. / Another name for the Hindu Arabic system .
  2. 4. / Place value of a digit is due to its _______.
  3. 5. / Which means a single thing.
  4. 9. / A number which refers to a particular unit.
Down
  1. 1. / The place value and face value of this number remains the same.
  2. 3. / A number which does not refer to any particular unit.
  3. 6. / A symbol representing a given number.
  4. 7. / The place value of '4' in the number 5,429.
  5. 8. / The present system of numeration we use today.