Trick to remember Letters and Values for Roman Numerals in Value Order

Letters and Values for Roman Numerals in Value Order

(Trick: I Value Xylophones Like Cows Dig Milk)

1. I- 1
2. V- 5
3. X- 10
4. L- 50
5. C- 100
6. D- 500
7. M- 1,000