Classification of Numbers (What type of number?)

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12345678910
Across
  1. 4. A number represented by a number of objects in the shape of a triangle.
  2. 6. Numbers that have more than 2 factors.
  3. 9. Include all positive numbers, negative numbers and ZERO.
  4. 10. Any positive or negative number. Includes rational and irrational numbers.
Down
  1. 1. A set of natural numbers and ZERO.
  2. 2. CAN be written as a fraction.
  3. 3. Numbers divisible by themselves and 1.
  4. 5. AKA counting numbers.
  5. 7. Integers that are NOT divisible by 2.
  6. 8. These numbers ALWAYS ending with 0,2,4,6,and 8.