concept of number

12345678910111213
Across
  1. 2. Counting numbers beginning from 1.
  2. 3. A number divisible by 2
  3. 4. A whole number greater than 1 that is not prime.
  4. 6. A number that contains a decimal point.
  5. 9. The top number in a fraction.
  6. 10. A number with more than two factors.
  7. 11. Numbers that cannot be expressed as a fraction.
  8. 12. A number that can be written as a/b
Down
  1. 1. Positive numbers, negative numbers, and zero.
  2. 5. A number that has exactly two factors: 1 and itself.
  3. 6. The bottom number in a fraction.
  4. 7. A number written as one whole number over another.
  5. 8. Numbers obtained by multiplying a number by itself.
  6. 13. A number not divisible by 2