Integers

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Across
  1. 4. the answer to an addition problem
  2. 5. a number greater than zero
  3. 9. a number, when added to itself equals zero
  4. 10. a line marked with numbers at specific intervals
  5. 11. a number less than zero
Down
  1. 1. the answer to a multiplication problem
  2. 2. the answer to a division problem
  3. 3. numbers, when placed on a number line, and the same distance from zero, but on opposite sides of zero
  4. 6. a set of whole numbers and their opposites
  5. 7. the answer to a subtraction problem
  6. 8. a number that is neither positive nor negative
  7. 9. the distance a number is from zero; always positive