Math.com
Computer Romanus: Roman Numeral Calculator
This site has a calculator that uses only Roman Numerals! There is also an explanation of the number symbols for reference.
Math Slice
Math Slice: Roman Slice Special Test
A succinct test for assessing Roman numeral concepts. Assessment is scored online and gives students immediate feedback. Can be used as an assessment tool.
Math Slice
Math Slice: Roman Math
An interactive game where students test their knowledge of Roman numerals. A scorecard is displayed that checks responses immediately. Best scores are posted.
Other
Lee's Useless Roman Numeral Converter
Do you want to know the Roman Numeral that stands for a number? How about the opposite, a number that stands for the Roman Numeral? Use the converter on this page to give you the answer!
Quia
Quia: Easy Roman Numerals
Use this website to practice identifying easy Roman Numerals using a matching game format.
Quia
Quia: Easy Roman Numerals Flashcards
Use this website to practice identifying easy Roman Numerals using a flash card format.
Quia
Quia: Easy Roman Numerals Concentration
Use this website to practice identifying easy Roman Numerals using a concentration game format.
Quia
Quia: Easy Roman Numerals
Use this website from Quia Corporation to practice identifying Roman Numerals using a word search format.
Soft Schools
Soft Schools: Roman Numeral Conversions Worksheet
Generate a worksheet where students convert between Roman numerals and numbers. You choose the conversion type: Roman numeral to number or number to Roman numeral. The option is given to show the answers.