Part 1: Basic Conversion

1. Convert the following Roman numerals to Arabic numbers: a) IX = ______
   b) XIV = ______
   c) XXVII = ______
   d) XL = ______
   e) XC = ______
   f) CXXV = ______

2. Convert the following Arabic numbers to Roman numerals: a) 4 = ______
   b) 19 = ______
   c) 36 = ______
   d) 49 = ______
   e) 88 = ______
   f) 123 = ______

Part 2: Fill in the Blanks

Complete the sequence with the correct Roman numerals:

1. I, II, III, ___, V

2. X, XX, XXX, ___, L

3. XL, ___, LX, LXX

4. C, CX, CXX, ___, CXL

Part 3: Word Problems

1. What is the result if you add the Roman numerals, XII and XV? Write the answer in Roman numerals.
   Answer: ______

2. Subtract IX from XX. What is the result? Write the answer in Roman numerals.
   Answer: ______

Part 4: Match the Columns

Match the Roman numerals in Column A with their Arabic equivalents in Column B.

Column AColumn Ba) VI50b) XL6c) L40d) IX90e) XC9

Part 5: Fun Puzzle

Decode the hidden message! Each Roman numeral represents a letter based on its position in the alphabet. For example, I = A, II = B, III = C, etc.

Message: IX III VI VII III I IX
Decoded Message: ______

End of Worksheet

Answers

Worksheet: Roman Numerals