Real Numbers

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Across
  1. 5. the set of whole numbers and their opposites
  2. 6. also called natural numbers, the numbers with which we count
  3. 7. a real number that can not be written as a simple fraction
Down
  1. 1. any number that can be expressed as a ratio with a non-zero denominator
  2. 2. this type of decimal ends because the remainder is zero
  3. 3. this type of decimal does not end, the remainder and digits in the quotient form a pattern
  4. 4. the set of natural, counting numbers and zero