Roman numerals Worksheets Grade 2,3,4,5,6 [Printable, PDF] Roman numerals Worksheets For Grade 6. The Grade 6 Roman Numeral worksheets is a higher grade when it comes to mastering the Roman Numerals. The level of learning becomes a little difficult and complicated. So, the worksheets designed are specifically for the Grade 6 students and thus you should get your regular practice sessions started. Use pdf.