REAL NUMBERS

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123456789
Across
  1. 3. a straight line extended on both directions as illustrated by arrowheads and is used to represent the set of real numbers is called a __________ line.
  2. 6. rational, irrational, whole, integers are all ______ of real numbers.
  3. 8. These numbers have the symbol Q.
  4. 9. Numbers that belong to #2 (down) and #8 (across) are called ______ numbers.
Down
  1. 1. Decimals that go on and on are called _________
  2. 2. These are numbers that cannot be expressed as a quotient of two integers.
  3. 4. Numbers used in counting are called ___________ numbers.
  4. 5. The result of the union of the set of whole numbers and the negative of counting numbers are called _________.
  5. 7. How many sets of Real numbers did we learn?