Unit 1 Rational Numbers

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Across
  1. 4. A number with the same absolute value as a given number, but with a different sign.
  2. 7. A number whose decimal representation eventually becomes periodic (i.e the same sequence of digits repeats indefinitely.)
  3. 9. The set of whole numbers and their opposites and zero.
Down
  1. 1. A number expressible in the form a/b or –a/b for some fraction a/b. The rational numbers include the integers.
  2. 2. The distance of the number from 0. It is always positive and is shown using a pair vertical line.
  3. 3. A pair of numbers whose sum is zero.
  4. 5. A decimal with a finite number of digits.
  5. 6. A number to the left of 0 on a number line.
  6. 8. A number to the right of 0 on a number line.