Math Star Cross Number

1234567891011121314
Across
  1. 3. 900+67
  2. 4. 2000+900+10+8
  3. 6. 7129 round to the greatest number
  4. 7. 3786 round to the greatest number
  5. 8. two hundred fifteen
  6. 10. 7299-9
  7. 12. two hundred eighty eight thousand seven hundred eleven
  8. 14. 3000+4
Down
  1. 1. four thousand seven hundred twenty
  2. 2. 5900+12
  3. 5. 236-36
  4. 6. 7000+100+2
  5. 7. 4000+900+20+1
  6. 9. 1010-8
  7. 11. 3000+100+60+4
  8. 13. round to the greatest number