Roman Numerals Match Roman Numberals to our numbers I = 1 V = 5 X = 10 L = 50 C = 100 Tools See a list of terms used in these activities. Matching Flashcards (Java / non-Java) Concentration Word Search Activities created by: Betty Reyer This activity was created by a Quia Web subscriber. To learn how to make your own, just like this, click here.