Rounding Vocabulary Puzzle

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Across
  1. 1. to find a nearby number
  2. 3. hundred the multiple of 100 closest to a number
  3. 4. a close answer, not exact
  4. 5. value the value of where a digit is in a number (ones, tens, hundreds.....)
Down
  1. 2. a single number (0-9)
  2. 3. ten the multiple of 10 closest to a number