Knowing our number

1234567891011121314151617181920
Across
  1. 2. The process of finding total number of items
  2. 3. Number written by showing place values
  3. 5. Usual way of writing a number
  4. 9. Rough value close to actual number
  5. 10. The number just before a given number
  6. 14. Ten hundreds make one of this
  7. 15. Symbols used to write numbers
  8. 17. Ten million
  9. 18. Combining digits as per place value
  10. 19. Actual value of a digit
  11. 20. Value of a digit based on its position
Down
  1. 1. The number just after a given number
  2. 4. One hundred thousand
  3. 6. Tool used to learn place value
  4. 7. Symbols from 0 to 9 used in numbers
  5. 8. Checking which number is greater or smaller
  6. 11. Result of subtraction
  7. 12. Approximating a number to nearest 10, 100 etc
  8. 13. Arranging numbers from largest to smallest
  9. 16. Arranging numbers from smallest to largest