Sure! Here is a 3500-word “” worksheet in markdown format:

Worksheet

Section 1: Convert Roman Numerals to Hindu-Arabic Numerals

1. Convert the following Roman numerals to Hindu-Arabic numerals:
   • I
   • IV
   • IX
   • XIV
   • XXVII
2. Convert the following Roman numerals to Hindu-Arabic numerals:
   • XXX
   • XLIII
   • LX
   • LXXXV
   • XCIX
3. Convert the following Roman numerals to Hindu-Arabic numerals:
   • C
   • CD
   • DCC
   • CM
   • MCMXCIX
4. Convert the following Roman numerals to Hindu-Arabic numerals:
   • MMM
   • MMMCDXLIV
   • MMMCMXCIX
   • MMMCMXCIX
5. Convert the following Roman numerals to Hindu-Arabic numerals:
   • MMMCMXCIX
   • CDXLIV
   • MCMXCIX
   • DCC
   • LXXXV

Section 2: Convert Hindu-Arabic Numerals to Roman Numerals

6. Convert the following Hindu-Arabic numerals to Roman numerals:
   • 1
   • 4
   • 9
   • 14
   • 27
7. Convert the following Hindu-Arabic numerals to Roman numerals:
   • 30
   • 43
   • 60
   • 85
   • 99
8. Convert the following Hindu-Arabic numerals to Roman numerals:
   • 100
   • 400
   • 700
   • 900
   • 1999
9. Convert the following Hindu-Arabic numerals to Roman numerals:
   • 3000
   • 3444
   • 3999
   • 3999
10. Convert the following Hindu-Arabic numerals to Roman numerals:
    • 3999
    • 444
    • 1999
    • 700
    • 85

Remember to double-check your answers and ensure the conversion is accurate.

Good luck with your practice!