PART–A : QUESTIONS AND ANSWERS INSIDE THE LESSON
Questions – Page 40
-
1. How much amount did Shankar invest on preparation of field for seed bed? (Page 40)Answer:
Preparation of field = ₹2,545
Seed bed and planting = ₹4,507
₹2,545 + ₹4,507 = ₹7,052
Answer: ₹7,052 -
2. How much amount did he spend on harvesting and to heaping and threshing? (Page 40)Answer:
Harvesting = ₹4,125
Heaping and threshing = ₹4,675
₹4,125 + ₹4,675 = ₹8,800
Answer: ₹8,800 -
3. How much amount did he spend on seed bed and removal of weeds? (Page 40)Answer:
Seed bed and planting = ₹4,507
Removal of weeds = ₹1,235
₹4,507 + ₹1,235 = ₹5,742
Answer: ₹5,742 -
4. What is the total cost of cultivating paddy on 1 acre? (Page 40)Answer:
₹2,545 + ₹4,507 + ₹1,235 + ₹4,700 + ₹4,125 + ₹4,675 = ₹21,787
Answer: ₹21,787 -
5. What is the total cost of cultivating paddy on 2 acres? (Page 40)Answer:
Cost for 1 acre = ₹21,787
Cost for 2 acres = ₹21,787 × 2
= ₹43,574
Answer: ₹43,574
Do These – Page 44
-
6. Add 20,762 and 12,225. (Page 44)Answer:
20,762 + 12,225 -------- 32,987Answer: 32,987 -
7. Arrange in columns and add: 13,482 + 26,742 + 37,323. (Page 44)Answer:
13,482 26,742 + 37,323 -------- 77,547Answer: 77,547
Do These – Page 46
-
8. Subtract the following: 43,521 − 38,445. (Page 46)Answer:
43,521 - 38,445 -------- 5,076Answer: 5,076 -
9. Subtract the following: 86,048 − 76,485. (Page 46)Answer:
86,048 - 76,485 -------- 9,563Answer: 9,563 -
10. Which number has to add 13,672 to get 53,267? (Page 46)Answer:
Required number = 53,267 − 13,672
= 39,595
Answer: 39,595
Cloth Store – Page 48
-
11. How much money was spent on silk sarees more than that of door curtains? (Page 48)Answer:
₹9,899 − ₹8,438 = ₹1,461
Answer: ₹1,461 -
12. How much less money was spent on bed sheets than cotton sarees? (Page 48)Answer:
₹6,940 − ₹5,900 = ₹1,040
Answer: ₹1,040 -
13. How much money was spent on both silk sarees and silk panche? (Page 48)Answer:
₹9,899 + ₹2,785 = ₹12,684
Answer: ₹12,684 -
14. How much money did Vanaja spend for door curtains, bed sheets and towels? (Page 48)Answer:
₹8,438 + ₹5,900 + ₹2,350 = ₹16,688
Answer: ₹16,688 -
15. How much money did Vanaja family spend for shopping? (Page 48)Answer:
₹9,899 + ₹6,940 + ₹2,785 + ₹8,438 + ₹5,900 + ₹2,350 = ₹36,312
Answer: ₹36,312
Relation Between Addition and Subtraction – Page 52
-
16. What did you observe? (Page 52)Answer:
If 8 + 4 = 12, then we can write two subtraction facts:
12 − 4 = 8
12 − 8 = 4
Thus, one addition fact gives two related subtraction facts.
PART–B : EXERCISE–1
Exercise–1 – Textbook Page 54
Exercise–1
-
1. A man earns ₹37,645 in a month and his wife earns ₹25,367. If they spend ₹38,600 in a month, how much do they save in that month? (Page 54)Solution:
Total income:
₹37,645 + ₹25,367 = ₹63,012
Amount spent = ₹38,600
Savings:
₹63,012 − ₹38,600 = ₹24,412
Answer: They save ₹24,412. -
2. Siva had ₹52,490. He bought a Television for ₹15,870 and a Washing machine for ₹25,785. How much money is with him now? Do you think you can buy another item costing ₹12,000? Explain your answer. (Page 54)Solution:
Money with Siva = ₹52,490
Cost of Television = ₹15,870
Cost of Washing machine = ₹25,785
Total expenditure:
₹15,870 + ₹25,785 = ₹41,655
Money remaining:
₹52,490 − ₹41,655 = ₹10,835
Cost of another item = ₹12,000
Money available = ₹10,835
₹12,000 − ₹10,835 = ₹1,165
No. Siva cannot buy the item because he is short of ₹1,165. -
3. A milk dairy supplies 25,545 litres of milk every day. It supplies 15,625 litres of milk to various milk depots and the rest to the market. How much milk is supplied to the market? (Page 54)Solution:
Total milk = 25,545 litres
Milk supplied to depots = 15,625 litres
Milk supplied to market:
25,545 − 15,625 = 9,920 litres
Answer: 9,920 litres of milk is supplied to the market. -
4. Madhu father gave him ₹2,500 and his mother ₹1,300 on his birthday. He spent ₹3,100 on clothes and cake. What is the remaining amount with him? (Page 54)Solution:
Money received from father = ₹2,500
Money received from mother = ₹1,300
Total money received:
₹2,500 + ₹1,300 = ₹3,800
Amount spent = ₹3,100
Remaining amount:
₹3,800 − ₹3,100 = ₹700
Answer: ₹700 -
5. The difference between two numbers is 643. One of the numbers is 6489. Find the another number. (Page 54)Solution:
Larger number = 6489
Difference = 643
Other number:
6489 − 643 = 5846
Answer: 5,846 -
6. Fill in the blanks. (Page 54)Solution:
Given addition fact:
7,500 + 2,500 = 10,000
Subtraction Fact – 1:
10,000 − 2,500 = 7,500
Subtraction Fact – 2:
10,000 − 7,500 = 2,500 -
7. Do the following. (Page 54)a) 12,645 − 36,221 + 43,576
12,645 − 36,221 = −23,576
−23,576 + 43,576 = 20,000
Answer: 20,000b) 40,376 − 20,568 + 37,364
40,376 − 20,568 = 19,808
19,808 + 37,364 = 57,172
Answer: 57,172
PART–C : EXERCISE–2
Textbook Page 66
-
1. Cost price of a fan is ₹800 and by selling it, Ravi got a profit of ₹250. What is its selling price? (Page 66)Answer:
Selling Price = Cost Price + Profit
= ₹800 + ₹250
= ₹1,050
Answer: ₹1,050 -
2. A thermos flask is purchased for ₹450 by a shopkeeper. He wants a profit of ₹50. At what price should he sell it? (Page 66)Answer:
Selling Price = ₹450 + ₹50
= ₹500
Answer: ₹500 -
3. Rekha bought two tickets for ₹500. Geetha bought two pop-corn packets at ₹75 each. How much more money did Rekha spend than Geetha? (Page 66)Answer:
Geetha spent = 2 × ₹75 = ₹150
Difference = ₹500 − ₹150
= ₹350
Answer: ₹350 -
4. A shop owner bought a book for ₹800 and sold it for ₹650. Then which is true? (Page 66)Answer:
₹800 − ₹650 = ₹150 loss.
Correct Answer: B) ₹150 loss -
5. If you want a profit, which condition is correct? (Page 66)Answer:
Correct Answer: B) Selling Price > Cost Price -
6. Find the amount of profit or loss for the following problems and complete the table. (Page 66)Answer:
a)
Cost Price = ₹750
Selling Price = ₹900
Profit = ₹900 − ₹750 = ₹150
b)
Cost Price = ₹635
Selling Price = ₹815
Profit = ₹815 − ₹635 = ₹180
c)
Cost Price = ₹105
Selling Price = ₹90
Loss = ₹105 − ₹90 = ₹15
PART–D : IMPROVE YOUR LEARNING
Textbook Page 68
-
1. A dealer bought a chair for ₹295. He wants to get a profit of ₹25 on the chair. How can he calculate the selling price? (Page 68)Answer:
₹295 + ₹25 = ₹320
Correct Answer: B -
2. Ram bought 5000 toffees. Shyam bought 60 tens of toffees. What is the difference? (Page 68)Answer:
60 tens = 600
5000 − 600 = 4400
Correct Answer: B) 4400 -
3. Fill in the blank: ______ − 36,782 = 4,591. Show your work. (Page 68)Answer:
Required number = 36,782 + 4,591
= 41,373
Answer: 41,373 -
4. For an annual celebration, two classes collected ₹46,569 and ₹34,266. Together, how much more money should be added to make the total ₹99,000? (Page 68)Answer:
Total collected:
₹46,569 + ₹34,266 = ₹80,835
Additional amount:
₹99,000 − ₹80,835 = ₹18,165
Answer: ₹18,165 -
5. An ice-cream shop sold 1,178 scoops of vanilla ice cream and 983 scoops of chocolate ice cream. What was the total number of ice-cream scoops sold? (Page 68)Answer:
1,178 + 983 = 2,161
Answer: 2,161 scoops -
6. A fruit seller buys a basket of mangoes for ₹1,200. He spends ₹100 on transport. He sells the basket for ₹1,400 and says that he made a profit of ₹200. Is his statement correct? Give a reason. (Page 68)Answer:
Total Cost Price:
₹1,200 + ₹100 = ₹1,300
Selling Price = ₹1,400
Profit:
₹1,400 − ₹1,300 = ₹100
No, his statement is not correct. His actual profit is ₹100. -
7. Anusha bought a bicycle and later sold it at a loss of ₹500. Create one possible cost price and selling price that would result in this loss. (Page 68)Answer:
One possible example:
Cost Price = ₹3,000
Selling Price = ₹2,500
Loss = ₹3,000 − ₹2,500
= ₹500
Answer: CP = ₹3,000 and SP = ₹2,500. -
8. Anita wants to buy a toy set that costs ₹3,600. She has already saved ₹2,150. Her grandmother promised to give her ₹500 next month. How much more money will Anita still need? (Page 68)Answer:
Money saved = ₹2,150
Money from grandmother = ₹500
Total available:
₹2,150 + ₹500 = ₹2,650
Money still needed:
₹3,600 − ₹2,650 = ₹950
Answer: ₹950 -
9. Rachana's income was ₹6,25,320 in 2018. Next year her income exceeded the previous year's income by ₹64,200. What was her income in 2019? How much did she earn in these two years? (Page 68)Answer:
Income in 2018 = ₹6,25,320
Increase = ₹64,200
Income in 2019:
₹6,25,320 + ₹64,200
= ₹6,89,520
Total income for two years:
₹6,25,320 + ₹6,89,520
= ₹13,14,840
Income in 2019 = ₹6,89,520
Total income = ₹13,14,840
