http://fi.edu/time/keepers/Silverman/html/RomanMatch.html

 Please open above link and play a

game of matching Roman numerals

• Match each Hindu-Arabic numeral to its corresponding Roman numerals.

• A) 11 1) XX• B)33 2) XI• C)8 3)XIX• D)20 4)XXII• E)19 5)VIII• F)22 6)XXXIII

• forms small groups and find out the rules for writing Roman numerals . Please answer following question.

• 5 = V 4= IV 6 = VI X= 10 XI=11 IX= 9

• What do you see?

• L= 50 40 = XL why? 

• A letter to the right of a numeral means that its value should be added.

• 3=III, 6=VI, 7=VII

• A letter to the left of a numeral means that its value is subtracted.

• 4= IV, 9= IX• Can you tell me up to which numbers these rules

followed?• How you write 40 in roman numerals

• The number 40 cannot be written as XXXX because no letter should be repeated more than three times. It is 50-10 or XL,where L denotes the number 50

• How you write Roman numerals for following numbers.

• 41,,49 53,55 57 60,80, 89,90 95,100 ,150, 450,900

• Only subtract powers of ten (I,X, Or C but not V,L or D

• Do not subtract a letter from another letter that is more than 10 times greater.eg 91 cannot be written as IXC It is written as XCI

• Which is the correct roman numeral for 48 ? A) IIL B)XXXXVIII C)XLVIII

• Only subtract a single letter from another single numeral.

• Convert CCXCVII to Arabic number.

• Convert 447 to a Roman numeral

• Now you learn how to write roman numerals so complete this worksheet and send it to me . My email id is usha.dherange@gmail.com