Development of Number System - JSS2 Mathematics Past Questions and Answers - page 2
Convert the Roman numeral XIX to a Hindu Arabic numeral.
X (10) + IX (9) = 10 + 9 = 19
XIX = 19
Convert the Roman numeral MCMXCIV to a Hindu Arabic numeral
numeral.
Solution:
M (1000) + CM (900) + XC (90) + IV (4) = 1000 + 900 + 90 + 4 = 1994
MCMXCIV = 1994
Convert the Roman numeral DCCLXXXVIII to a Hindu Arabic numeral
D (500) + CC (200) + L (50) + XXX (30) + VIII (8) = 500 + 200 + 50 + 30 + 8 = 788
DCCLXXXVIII = 788
Convert the Roman numeral CDXLIV to a Hindu Arabic numeral
CD (400) + XL (40) + IV (4) = 400 + 40 + 4 = 444.
CDXLIV = 444
Convert the Roman numeral MMXXIV to a Hindu Arabic numeral
MM (2000) + XX (20) + IV (4) = 2000 + 20 + 4 = 2024
MMXXIV = 2024
Convert the Hindu Arabic numeral 58 to a Roman numeral
50 + 8 = L + VIII = LVIII.
58 = LVIII
Convert the Hindu Arabic numeral 347 to a Roman numeral
300 + 40 + 7 = CCC + XL + VII = CCCXLVII.
347 = CCCXLVII
Convert the Hindu Arabic numeral 1234 to a Roman numeral
1000 + 200 + 30 + 4 = M + CC + XXX + IV = MCCXXXIV.
1234 = MCCXXXIV
Convert the Hindu Arabic numeral 789 to a Roman numeral
700 + 80 + 9 = DCC + LXXX + IX = DCCLXXXIX.
789 = DCCLXXXIX
Convert the Hindu Arabic numeral 2023 to a Roman numeral
2000 + 20 + 3 = MM + XX + III = MMXXIII.
2023 = MMXXIII