Number Roots

12345678910
Across
  1. 2. joined as one
  2. 6. a vehicle with 3 wheels
  3. 8. one item or thing
  4. 9. a hundred year period
Down
  1. 1. one one-hundredth of a meter
  2. 3. a period of 10 years
  3. 4. based on the number 10
  4. 5. every 2 weeks
  5. 7. a house for two families
  6. 10. a race with 3 parts