Sir Cumference and All the King's Tens

1234567
Across
  1. 4. The value of where the digit is in the number.
  2. 5. Written down in the way most commonly accepted
  3. 7. The last or right digit
Down
  1. 1. The place three to the left of the decimal point in a number
  2. 2. Writing a number to show the value of each digit.
  3. 3. What was Sir Cumference trying to count?
  4. 6. The place two to the left of the decimal point in a number