Numbers

1234567
Across
  1. 2. 79+0
  2. 3. Predecessor of 3188
  3. 6. Place value of 6 in 5628
  4. 7. Greatest 3-digit number
Down
  1. 1. Numeral for 3000+700+80+3
  2. 4. Smallest 4-digit number
  3. 5. Successor of 7008