Rounding Vocabulary Crossword Puzzle

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Across
  1. 1. rounding that uses "boss" to help round
  2. 3. elevator does this when "boss" is 0,1,2,3,4
  3. 4. elevator goes here when "boss" is 5,6,7,8,9
  4. 5. finding a number's closest 10, 100, 1,000,
  5. 7. line rounding that uses midpoint to help round
  6. 8. when a number goes up or becomes greater
Down
  1. 1. making a close guess
  2. 2. long rounding clue word
  3. 6. when a number goes down or becomes less
  4. 9. rounding clue word