Page 214 - Start Up Mathematics_4

2. (a) 572 and 356 (b) 1,435 and 1,705 3. (a) TTh Th H T O
3. (a) 46,213 (b) 34,246 (c) 3,40,625 5 2 1 3 6

– 2 0 1 1 4
Chapter 4: Subtraction
Let’s Recall 3 2 0 2 2
1. (a) 3,874 (b) 112 L TTh Th H T O
(b)
2. (a) H T O (b) Th H T O 6 7 5 8 9 1
8 4 6 8 2 7 5 – 4 3 2 5 6 1
– 5 3 4 – 4 5 8 4 2 4 3 3 3 0
3 1 2 3 6 9 1
(c) TTh Th H T O
3. Person B got 2,640 votes 4. 9,055 7 6 4 0 3
5. (a) 553 (b) 5,159 (c) 7,761 – 3 8 5 1 6
(d) 904 (e) 2,090 (f) 701 3 7 8 8 7
Exercise 4.1
(d) L TTh Th H T O
1. (a) 31,175 (b) 36,311 (c) 2,12,062 (d) 2,35,146
9 1 5 0 8 4
Minuend Subtrahend Difference – 5 6 4 4 2 7
(a) 57,487 26,312 31,175 3 5 0 6 5 7
(b) 68,716 32,405 36,311
Exercise 4.4
(c) 9,28,492 7,16,430 2,12,062
1. (a) 24,100 (b) 39,100 (c) 2,08,000 (d) 1,87,000
(d) 5,45,169 3,10,023 2,35,146 2. 2,71,150 3. 1,47,520 pens 4. 1,08,868
5. 38,409 6. 1,85,781 7. 50,774
2. (a) 33,430 (b) 42,051 (c) 3,10,245 (d) 2,34,212 8. Students to do on their own.
3. (a) Eleven thousand four hundred thirty-four 9. (a) 38,580 (b) 90,060 (c) 2,84,837 (d) 20,097
(b) Twenty-three thousand three hundred forty-one
(c) Three lakh thirty-three thousand two hundred Let’s Evaluate
two 1. (a) 27,409 (b) 1,45,025
2. (a) 12,942 (b) 26,855 (c) 1,23,719 (d) 1,73,333
Exercise 4.2
1. (a) 31,692 (b) 36,848 (c) 3,87,538 (d) 3,08,826 3. (a) TTh Th H T O
2. (a) 27,179 (b) 28,218 (c) 1,65,413 (d) 4,67,823 8 2 7 4 6
(e) 1,95,209 (f) 4,56,268 – 5 9 8 7 4
Students to check the answers on their own. 2 2 8 7 2
3. (a) Output (b) Output (b) L TTh Th H T O
26,966 68,243 5 3 4 0 9 8
18,407 44,197 – 2 6 7 1 8 4
38,517 3,80,263 2 6 6 9 1 4
2,91,003 5,03,182
3,52,119 2,89,753 4. Actual value = 1,44,517
4. (b) is correct Estimated value = 1,45,000 (rounding towards 1,000)

Exercise 4.3 5. 1,29,471
1. (a) 34,232 (b) 34,081 (c) 4,40,421 (d) 1,83,254 6. Students to do on their own.
Note: Students to check the answers on their own. 7. (a) 1,78,838 (b) 1,18,846 (c) 29,188 (d) 86,786
2. (a) 22,110 (b) 28,879 (c) 91,209 (d) 2,25,124 Values and Life Skills
(e) 2,60,473 (f) 4,98,922 1. ` 74,825 2. ` 47,080

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