Across
- 3. These numbers have the symbol Q.
- 4. The result of the union of the set of whole numbers and the negative of counting numbers are called _________.
- 7. This number is a whole number but not a natural number.
- 9. Numbers used in counting are called ___________ numbers.
- 10. These are numbers that cannot be expressed as a quotient of two integers.
Down
- 1. Decimals that go on and on are called _________
- 2. How many sets of Real numbers did we learn?
- 5. 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.
- 6. rational, irrational, whole, integers are all ______ of real numbers.
- 8. Numbers that belong to #2 (down) and #8 (across) are called ______ numbers.