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