Page 230 - ICSE Math 5

8. Smallest number: 1,02,34,789; Progress Worksheet
Largest number: 987,43,210 1. (a) zero (b) M (c) V; X (d) X
9. 1,12,24,530; 1,12,24,500; 1,12,25,000 2. (a) (iii) (b) (i) (c) (iii) (d) (iii) (e) (iv)
10. ‘Police claimed that the stolen gold was worth 3. (a) CCXLIII (b) LXXXV (c) CCCV
` 32,71,500.’ (d) DCCCXCI (e) CCXXVI (f) CCCL

Values and Life Skills 4. (a) 46 (b) 291 (c) 562
Ten lakh eighty thousand; One million eighty thousand (d) 34 (e) 802 (f) 1,200
5. (a), (b), (d) and (f)
Progress Worksheet
6. (a) IV (b) CCLXVII (c) DCCCIV (d) CCXCIX
1. (a) (iv) (b) (ii) (c) (iii) (d) (ii)
7. (a) CCX (b) CCXLVIII (c) LXXXVI (d) MM
2. (a) Predecessor: 7,14,99,997; Successor: 7,14,99,999
(b) Predecessor: 5,21,46,973; Successor: 5,21,46,975 Chapter 3: Addi on and Subtrac on
(c) Predecessor: 88,34,14,620; Successor: 88,34,14,622 Exercise 3.1
3. (a) 10,00,00,000 + 4,00,00,000 + 9,00,000 + 40,000 + 1. (a) 69,263 (b) 7,60,955 (c) 6,83,524
8,000 + 500 + 80 + 4
(d) 8,79,385 (e) 24,29,15,145 (f) 6,36,66,912
(b) 6,00,00,000 + 20,00,000 + 3,00,000 + 80,000 + 400 2. (a) 84,59,99,151; Eight-four crore fi y-nine lakhs
+ 10 + 7
ninety-nine thousand one hundred fi y-one
(c) 10,00,000 + 6,00,000 + 30,000 + 4,000 + 400 + 50
(b) 1,15,33,038; One crore fi een lakh thirty-three
4. (a) 200 (b) 5 (c) 300 (d) 7 thousand thirty eight
5. (a) 1,03,13,635 < 1,03,14,650 < 1,03,14,627; 3. (a) TC C TL L TTh Th H T O
1,03,14,627 > 1,03,14,650 > 1,03, 13,635
9 3 7 0 1 5 4 6
(b) 48,76,042 < 48,78,432 < 48,87,549;
+ 1 4 6 9 9 8 9 7 6
48,87,549 > 48,78,432 > 48,76,042
6. 4,52,24,330; 4,52,24,300; 4,52,24,000 2 4 0 7 0 0 5 2 2
7. (a) 6,40,53,216; Six crore forty lakh fi y-three thousand (b) TC C TL L TTh Th H T O
two hundred sixteen
6 5 0 7 0 8 5 1 3
(b) 21,36,05,507; Twenty-one crore thirty-six lakh fi ve
thousand fi ve hundred seven + 2 9 9 8 5 7 4 8 9
(c) 8,26,54,070; Eight crore twenty-six lakh fi y-four 9 5 0 5 6 6 0 0 2
thousand seventy
8. (a) 10,00,00,000 (b) 9,99,999 Exercise 3.2
9. (a) > (b) > (c) < (d) = 1. (a) Actual number of books: 1,30,467;
Es mated number of books: 1,30,000
Chapter 2: Roman Numerals (b) Actual popula on: 1,32,054;
Exercise Es mated popula on: 1,32,000
1. (a) 27 (b) 542 (c) 76 2. (a) 1,35,673 packets (b) ` 8,26,171
(d) 3,000 (e) 59 (f) 445 (c) 5,79,421 (d) ` 7,43,520
2. (a) CLXXXVII (b) CCCXLV (c) CMXLIX (e) ` 4,97,625 (f) 8,35,603
(d) DCCXXXVI (e) LXVII (f) CCXXII 3. 2,97,170
3. (a) CXCIV (b) MMCM (c) DCC (d) CLXXXIV 4. (a) 65,710 (b) 3,98,000
4. (a) LXXX (b) VII (c) DCLXXIII (d) CCXXV (c) 1,85,265 (d) 1,58,279
Review Exercise Exercise 3.3
1. (a) 17 (b) 45 (c) 449 (d) 391 (e) 561 1. (a) 34,232 (b) 4,40,421 (c) 1,83,254
(f) 24 (g) 700 (h) 801 (i) 920 (j) 1,000 (d) 2,21,96,503 (e) 80,95,98,670 (f) 21,42,23,223
2. (a) DXLVIII (b) XCIII (c) CCVII (d) CMXCI 2. (a) 22,110 (b) 2,25,124
(e) CCCXXVI (f) XLV (g) CCCLXXI (h) LXXXI (c) 2,60,473 (d) 4,38,922
(i) CCLXXX (j) LXIV
3. (a) 11,434; Eleven thousand four hundred thirty-four
3. (a) IV (b) CCLXXVI (c) LIII
(b) 23,341; Twenty-three thousand three hundred
(d) DCC (e) CXCIX (f) C forty-one
4. (a) XCII (b) CXL (c) CCCXXVIII (c) 3,33,202; Three lakh thirty-three thousand two
(d) CXII (e) CVIII (f) C hundred two

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