Drain your Brain

12345678
Across
  1. 3. two hundred more than 2245 is
  2. 4. Five thousand less than 89,645
  3. 5. predecessor of 1001
  4. 7. 500 less than 1000is
  5. 8. greatest 4 digit number is
Down
  1. 1. Successor of 9999
  2. 2. 5 added to 6440
  3. 3. Standard form of 2000 + 300 + 9
  4. 5. smallest 2 digit number
  5. 6. Subtract Face value of 8 from place value of 8