Numbers

12345678
Across
  1. 3. The result of 15 - 8
  2. 4. The result of 3 + 5
  3. 7. How many people are there in our family?
  4. 8. The largest one digit number
Down
  1. 1. It is equally far from 0 and 10
  2. 2. The smallest number
  3. 3. The result of 18 - 12
  4. 5. The first even number
  5. 6. The result of 9 - 6