Math Holiday H/W

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Across
  1. 2. Numbers 1- Infinite.
  2. 6. Distributing.
  3. 8. +x.
  4. 9. Switching places.
Down
  1. 1. (x)sign.
  2. 3. -x.
  3. 4. numbers 0- Infinite.
  4. 5. Line Line representation of numbers.
  5. 7. Positive and Negative Numbers.