Integers and rational number

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Across
  1. 1. Numbers that can be written as fractions.
  2. 4. Numbers that are greater than 0.
  3. 6. The distance between a number and zero.
  4. 7. Numbers that are less than 0.
Down
  1. 2. Numbers that are the same distance from zero but on different sides.
  2. 3. A mathematical sentence that means greater or less than.
  3. 5. The set of positive and negative numbers.