My Puzzle

12345678910
Across
  1. 3. Base 10
  2. 5. Positive and negative whole numbers and zero
  3. 6. Divides a number without a remainder
  4. 7. Brackets, for example
  5. 8. Sign of the answer when multiplying different signs
  6. 9. Tasty ratio?
  7. 10. The total of two or more numbers
Down
  1. 1. tens, hundreds etc
  2. 2. Out of 100
  3. 4. Not a whole