Mathematics

1234567
Across
  1. 4. 9 is holding which place in 5,980.
  2. 5. I am the second place
  3. 6. I tell the next number
  4. 7. I look like an egg
Down
  1. 1. I am collection of different place values
  2. 2. I help you to combine numbers
  3. 3. I tell the last number
  4. 6. I am double of 3