In this video Roman number system has been explained. Student will learn to convert Hindu Arabic numerals to Roman numerals as well as Roman numerals to Hindu Arabic numerals.
Session: 
Try to solve each of the math problems below. Write your answer as a Roman Numeral.
(1) XIX – IX = ________________________
(2) XXVII – V = ________________________
(3) LXVI – IV = ________________________
(4) XXV – XXIII = ________________________
(5) XXXIV + XLV = ________________________
(6) XXIV + LXXIV = ________________________
(7) VI + LXIII = ________________________
(8) XXXV + L = ________________________
(9) I + LXV = ________________________
(10) XXIV – XIV = ________________________
Answers :
(1) X (19 – 9 = 10)
(2) XXII (27 – 5 = 22)
(3) LXII (66 – 4 = 62)
(4) II (25 – 23 = 2)
(5) LXXIX (34 + 45 = 79)
(6) XCVIII (24 + 74 = 98)
(7) LXIX (6 + 63 = 69)
(8) LXXXV (35 + 50 = 85)
(9) LXVI (1 + 65 = 66)
X (24 – 14 = 10
