Page 211 - ICSE Math 4

(c) 5,49,306: Five lakh forty-nine thousand three 3. (a) (b) (c)
XI XII I XI XII I XI XII I
hundred six X II X II X II
IX III IX III IX III
(d) 1,27,458: One lakh twenty-seven thousand four VIII IV VIII IV VIII IV
hundred fi y-eight VII VI V VII VI V VII VI V
3. (a) 8,000 + 300 + 40 + 7; 8 thousands + 3 hundreds + Review Exercise
4 tens + 7 ones 1. (a) IX (b) XXXVI (c) XVIII
(b) 10,000 + 5,000 + 200 + 0 + 9; 1 ten thousand + (d) XIII (e) XXVII (f) XXXIII
5 thousands + 2 hundreds + 9 ones
2. (a) 4 (b) 15 (c) 27 (d) 30 (e) 35 (f) 39
(c) 7,00,000 + 50,000 + 3,000 + 600 + 20 + 1; 7 lakhs +
3. (a) False (b) False (c) True (d) True
5 ten thousands + 3 thousands + 6 hundreds + 4. (a) (b) (c)
2 tens + 1 one XI XII I XI XII I XI XII I
X II X II X II
(d) 7,00,000 + 30,000 + 5,000 + 400 + 30 + 8; 7 lakhs + IX III IX III IX III
3 ten thousands + 5 thousands + 4 hundreds + VIII VII VI V IV VIII VII VI V IV VIII VII VI V IV
3 tens + 8 ones
4. (a) 31,491 < 31,941 < 32,149 < 32,491 < 38,149 Progress Worksheet
(b) 8,93,756 < 8,99,324 < 9,82,467 < 9,82,476 1. (a) 4 = IV (b) 15 = X + V = XV (c) XXI = 21 or XIX = 19
< 9,92,946 2. (a) = (b) < (c) = (d) < (e) >
5. (a) 69,915 > 69,328 > 67,143 > 66,208 > 66,075 3. (a) XXIII (b) XIV (c) XIX (d) XXXIII
(b) 10,918 > 10,810 > 10,180 > 10,089 > 10,081 (e) XXVII (f) XVI (g) XXIV (h) XIII
(i) XVIII (j) XXVI
6. Smallest: 2,04,578; Largest: 8,75,420
4. (a) 21 (b) 15 (c) 19 (d) 36 (e) 39
7. Smallest: 1,04,489; Largest: 9,84,410
(f) 30 (g) 37 (h) 25 (i) 31 (j) 12
8. ` 2,440
5. (a) (ii) (b) (iv) (c) (i) (d) (iii)
9. (a) False (b) True (c) False (d) False (e) True
6. (a) (b) (c)
10. (a) (i) (b) (iii) (c) (ii) (d) (i) (e) (ii) XI XII I XI XII I XI XII I
X II X II X II
IX III IX III IX III
Values and Life Skills VIII IV VIII IV VIII IV
VII VI V VII VI V VII VI V
Sarvan
Progress Worksheet Chapter 3: Addi on
1. (a) (i) (b) (i) (c) (iii) (d) (i) Exercise 3.1
2. (a) = (b) > (c) < (d) > 1. (a) 8,879 (b) 6,868 (c) 6,978
3. (a) TTh Th H T O (b) TTh Th H T O (d) 9,989 (e) 8,989 (f) 8,879
2. (a) 7,988 (b) 2,878 (c) 9,759
(d) 8,697 (e) 6,799 (f) 8,999
Exercise 3.2
1. (a) 8,435 (b) 9,519 (c) 10,497
(c) TTh Th H T O
(d) 6,164 (e) 9,132 (f) 9,436
2. (a) 7,503 (b) 9,149 (c) 7,480
(d) 5,383 (e) 5,200 (f) 9,578
3. Students to do on their own.
4. (a) 9,95,520 (b) 25,652 (c) 1,72,060 Exercise 3.3
5. (a) Ascending order: 10,102 < 10,235 < 12,035 < 30,635 1. (a) Th H T O Expanded form Th H T O
< 51,103 5 3 2 5 5000 + 300 + 20 + 5 5 0 0 0
Descending order: 51,103 > 30,635 > 12,035 > + 7 8 4 + 700 + 80 + 4 1 0 0 0
10,235 > 10,102
5000 + 1000 + 100 + 9 1 0 0
(b) Ascending order: 5,64,032 < 5,66,302 < 6,54,052 <
+ 9
6,69,784
6 1 0 9
Descending order: 6,69,784 > 6,54,052 > 5,66,302 >
5,64,032 (b) Th H T O Expanded form Th H T O
5 6 3 7 5000 + 600 + 30 + 7 7 0 0 0
Chapter 2: Roman Numerals
+ 2 9 8 3 + 2000 + 900 + 80 + 3 1 5 0 0
Exercise 7000 + 1500 + 110 + 10 1 1 0
1. (a) XXXVIII (b) 29 (c) XXIV (d) 36 + 1 0
2. (a) XXVII (b) 19 (c) XXXVII (d) 28 8 6 2 0

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