The DAV Class 6 Maths Book Solutions Pdf and DAV Class 6 Maths Chapter 1 Worksheet 1 Solutions of Natural Numbers and Whole Numbers offer comprehensive answers to textbook questions.
DAV Class 6 Maths Ch 1 WS 1 Solutions
Quotient 1.
Write the Roman Numerals for each of the following.
(a) 33
(b) 500
(c) 48
(d) 76
(e) 95
(f) 41
(g) 87
(h) 66
(i) 19
(j) 1000
Solution:
(a) 33 = XXXIII
(b) 500 = D
(c) 48 = XLVIII
(d) 76 = LXXVI
(e) 95 = XCV
(f) 41 = XLI
(g) 87 = LXXXVII
(h) 66 = LXVI
(i) 19 = XIX
(j) 1000 = M
Quotient 2.
Convert the following into Hindu Arabic Numerals.
(a) XXVI
(b) LXXVII
(c) XCI
(d) LXXXV
(e) D
(f) XCIX
(g) XCVII
(h) LV
(i) XLI
(j) XXIX
Solution:
(a) XXVI = 26
(b) LXXVII = 77
(c) XCI = 91
(d) LXXXV = 85
(e) D = 500
(f) XCIX = 99
(g) XCVII = 97
(h) LV = 55
(i) XLI = 41
(j) XXIX = 29
Question 3.
Solve and write the results in Roman Numerals.
(a) 32 + 67
(b) 216 – 174
(c) 12 × 7
(d) 3645 ÷ 45
Solution:
(a) 32 + 67 = 99 = XCIX
(b) 216 – 174 = 42 = XLII
(c) 12 × 7 = 84 = LXXXIV
(d) 3645 ÷ 45 = 81 = LXXXI
Question 4.
Which of the following is meaningless?
(a) VVII
(b) XLI
(c) LIV
(d) IC
(e) LIL
(f) IVC
(g) XCI
(h) VL
Solution:
(a) VVII = Meaningless
(b) XLI = 41
(c) LIV = 54
(d) IC = Meaningless
(e) LIL = Meaningless
(f) IVC = Meaningless
(g) XCI = 91
(h) VL = Meaningless
Question 5.
Match the following.
| DXLV | 908 |
| MMX | 591 |
| CMVIII | 545 |
| CCIII | 2010 |
| DXCI | 203 |
Solution:
DXLV = 545
MMX = 2010
CMVIII = 908
CCIII = 203
DXCI = 591
Question 6.
Write the following in Roman Numerals.
(a) Year in which India got Indepen-dence.
(b) Year in which India became Republic.
(c) Year in which you were born.
(d) Present year.
Solution:
(a) 1947 = MCMXLVII
(b) 1950 = MCML
(c) __________
(d) __________
DAV Class 6 Maths Chapter 1 Worksheet 1 Notes
Natural Numbers:
All positive numbers starting from 1 are called natural numbers.
Example: 1, 2, 3, 4, 5, 6, 7, 8 …………..
Roman Numerals:
Symbols for some Hindu Arabic Numerals are called Roman Numerals.
Example:
Example 1:
Convert the given Hindu Arabic Numerals into Roman Numerals.
(i) 46
Solution:
46 = XLVI
(ii) 98
Solution:
98 = XCVIII
(iii) 63
Solution:
63 = LXIII
(iv) 80
Solution:
80 = LXXX
(v) 56
Solution:
56 = LVI
Example 2:
Convert the following into Hindu Arabic Numerals.
(i) XLVIII
Solution:
XLVIII = 50 – 10 + 8 = 48
(ii) LIX
Solution:
LIX = 50 + 9 = 59
(iii) XCVII
Solution:
XCVII = 100 – 10 + 7 = 97
(iv) XXXI
Solution:
XXXI = 10 + 10 + 10 + 1 = 31
(v) LXXIX
Solution:
LXXIX = 50 + 10 + 10 + 9 = 79