Roman Numerals

Instructions: For each Roman Numeral, fill in the equivalent arabic numeral. The first one is done for you as an example. (In some browsers, you can move from box to box by hitting the tab key once or twice or by using your mouse. In some you must use the mouse.)

IV XX
XVI IX
XIX XXXIV
MMII CCC
D LX
CD CDXLV
MCMXCVIII MMCMXLVIII