Worksheet - 1
Page 34
Page 34
I) Do the following Multiplications.
-
a) 214 × 88
214 × 88 = 18,832
-
b) 750 × 120
750 × 120 = 90,000
II) Do the following Multiplications in expanded form.
-
a) 46 × 8
× 40 6 8 320 48 Total = 320 + 48 = 368 -
b) 86 × 12
× 80 6 10 800 60 2 160 12 Total = 800 + 60 + 160 + 12 = 1,032
III) Find the numbers hiding in all the shapes.
-
Given: Square = 3, Triangle = 4, Circle = 12
a) Square × Triangle = Circle (3 × 4 = 12)
b) Square + Square + Square = 9 (3 + 3 + 3 = 9)
c) Square × Triangle × Triangle = 48 (3 × 4 × 4 = 48)
d) Circle - Square = 9 (12 - 3 = 9)
e) Square × Circle = 36 (3 × 12 = 36)
IV) Multiple Choice Question
-
300 × 3 is equivalent to:
Answer: C) 10 × 90 (300 × 3 = 900 = 10 × 90)
Worksheet - 2
Page 35
Page 35
I) Complete the following Multiplications.
- a) 3301 × 3 = 9903
- b) 4650 × 90 = 418500
II) Do the following.
- a) Fill the box with suitable number: 403 × 2 = 806
b) Match the following
| Problem | Ans | Result |
|---|---|---|
| (i) 246 × 3 | ( D ) | A) 900 |
| (ii) 450 × 2 | ( A ) | B) 690 |
| (iii) 690 × 1 | ( B ) | C) 1650 |
| (iv) 330 × 5 | ( C ) | D) 738 |
III) Word Problems on Drinking Water
-
Madhu drinks 8 glasses of water every day.
a) How many glasses of water does he drink in one week (7 days)?8 × 7 = 56 glasses -
b) How many glasses of water does he drink in November month (30 days)?
8 × 30 = 240 glasses
-
c) How many glasses of water does he drink in one year (365 days)?
8 × 365 = 2,920 glasses
IV) Cost Calculation
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The cost of a chair is ₹550 and the cost of a table is ₹950. If Nagamani purchases 3 chairs and 3 tables, how much amount does she have to pay?
Cost of 3 chairs = 550 × 3 = ₹1,650
Cost of 3 tables = 950 × 3 = ₹2,850
Total amount to pay = 1650 + 2850 = ₹4,500
Worksheet - 3
Page 36
Page 36
I) Do the following.
- a) 7256 × 4 = 29024
- b) 4689 × 16 = 75024
II) Observe the multiplication, identify and circle the mistake. Then do the multiplication.
-
a) 8657 × 8
Correct Multiplication: 8657 × 8 = 69,256
-
b) 9243 × 12
9 2 4 3 × 12
1 8 4 8 6 (9243 × 2)
+ 9 2 4 3 0 (9243 × 10)
-----------
1,10,916
III) Word Problems on Heart Beats
-
Naveen's heart beats 72 times in one minute.
a) How many times does it beat in an hour (60 minutes)?72 × 60 = 4,320 times -
b) How many times does it beat in one day (24 hours)?
4320 × 24 = 1,03,680 times
-
c) How many times does it beat in one week (7 days)?
103680 × 7 = 7,25,760 times
IV) Word Problem
-
A juice maker uses 2 apples to make a glass of juice. How many apples are required to make 364 glasses of juice?
364 × 2 = 728 apples
Worksheet - 4 & 5
Page 38 & 39
Page 38 & 39
I) Read the following questions and underline the multiplication questions then rewrite.
- 1) Multiplication problem: b) 4392 × 27
- 2) Multiplication word problem: c) There are 180 apples in a box. How many apples will there be in 7 full boxes?
II) Observe the picture, by using hints create word problems on multiplication.
-
a) Hints: (hotel, Raju, plate ₹30, per day, Dosa)
Word Problem: Raju runs a hotel. The price of a plate of dosa is ₹30. If he sells 150 plates of dosa in a day, how much total amount does Raju earn in that day?
-
b) Hints: (General store, Malik, Rice bag ₹4500)
Word Problem: Malik owns a general store. He sells one rice bag for ₹4,500. If he sells 8 rice bags in a week, how much total amount does Malik receive?
-
III) Use 1261 × 9 and create a word problem on multiplication and solve:
Word Problem: A printing press prints 1261 pages of a magazine in one hour. How many pages can it print in 9 hours?
Solution: 1261 × 9 = 11,349 pages -
IV) A.P government has decided to plant trees along 112 km road. As 30 trees per Half kilometre, how many trees can be planted along 112 km?
Trees per 1 km = 30 × 2 = 60 trees
Total trees in 112 km = 112 × 60 = 6,720 trees
Worksheet - 6
Page 40
Page 40
I) Fill in the blanks using multiplication properties.
- a) 45 × 189 = 189 × 45
- b) 657 × 468 = 468 × 657
- c) 369 × 1 = 369
- d) 25607 × 0 = 0
II) Do the following multiplication within one minute.
- a) 365 × 100 = 36500
- b) 4510 × 10 = 45100
- c) 961 × 1 = 961
- d) 2810 × 0 = 0
- e) 281 × 565 = 565 × 281
- f) 628 × 1000 = 628000
III & IV) Word Problems on Tailor Chakri
-
Chakri is a tailor. He charges ₹850 for stitching a pair. During festival season he stitched 75 pairs. Find the total amount he earned?
a) How much does he charge for stitching a pair? → ₹850
b) How many pairs are stitched by Chakri during festive season? → 75
c) Which operation did you use to solve the above problem? → Multiplication
Total amount earned = 850 × 75 = ₹63,750 -
V) Gaja is a tailor. He charges ₹750 for stitching a pair. During festival season he stitched 124 pairs. Find the total amount he earned?
Total amount earned = 750 × 124 = ₹93,000
Worksheet - 7
Page 42
Page 42
I) Read the following statements and write TRUE or FALSE.
| Statement | Ans |
|---|---|
| a) 40 Ice creams cost ₹320. The cost of one ice cream is ₹80. | FALSE |
| b) 900 ÷ 3 gives a quotient of 300. | TRUE |
| c) The number of weeks for 91 days are 20. | FALSE |
| d) 192 sweets are distributed among 8 children. Each child got 24 sweets. | TRUE |
II) Do the following.
- a) 5248 ÷ 4 = 1312
- b) 8755 ÷ 25 = 350 (Remainder = 5)
III) Do the following Divisions and find out Dividend, Divisor, Quotient and Remainder.
-
a) 4236 ÷ 18
Dividend = 4236, Divisor = 18, Quotient = 235, Remainder = 6
-
b) 8500 ÷ 4
Dividend = 8500, Divisor = 4, Quotient = 2125, Remainder = 0
-
IV) What will be the quotient when the successor of 649 is divided by 5?
Successor of 649 = 650
650 ÷ 5 = 130 (Quotient = 130)
Worksheet - 8
Page 43
Page 43
Word problems on division: Cement Factory
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A cement factory produces 4350 bags of cement in a month (30 days). How many cement bags does it produce in one day?
a) What information is given? → Cement bags produced in a month = 4350
b) What is to be found? → Cement bags produced in one day
c) Mathematical operation to be used → Division
Solution: 4350 ÷ 30 = 145 cement bags per day -
IV) A steel factory makes 9990 steel boxes in a month (30 days). How many steel boxes does it make in one day?
9990 ÷ 30 = 333 steel boxes per day
Worksheet - 9 & 10
Page 45 & 46
Page 45 & 46
Unitary Method: Pen Purchases Table
| Colour | Number of pens purchased | Amount to be paid (₹) |
|---|---|---|
| Blue (MRP ₹50 per 10 pens = ₹5 each) | 4 | ₹20 |
| Red (MRP ₹60 per 10 pens = ₹6 each) | 2 | ₹12 |
| Black (MRP ₹70 per 10 pens = ₹7 each) | 5 | ₹35 |
| Green (MRP ₹100 per 10 pens = ₹10 each) | 1 | ₹10 |
Unitary Method Problems
-
b) The cost of 3 dozen eggs is ₹156, what is the cost of 7 dozen eggs? (1 Dozen = 12)
Cost of 1 dozen = 156 ÷ 3 = ₹52
Cost of 7 dozen = 52 × 7 = ₹364 -
II) The cost of a 100 kg rice bag is ₹4800, what is the cost of a 25kg rice bag?
Cost of 1 kg = 4800 ÷ 100 = ₹48
Cost of 25 kg = 48 × 25 = ₹1,200 -
III) The cost of 45 meters of electric wire is ₹3510, how much does it cost to buy 24 meters of the same wire?
Cost of 1 meter = 3510 ÷ 45 = ₹78
Cost of 24 meters = 78 × 24 = ₹1,872 -
IV) Write four daily life situations to use unitary method.
1. Finding the cost of a few items when pack price is known.
2. Calculating fuel consumption per kilometer.
3. Calculating daily wages from monthly salary.
4. Finding the price of loose grains based on quintal cost. -
V) A family requires ₹6400 for 8 days, how much money does the family require for 6 days?
Requirement for 1 day = 6400 ÷ 8 = ₹800
Requirement for 6 days = 800 × 6 = ₹4,800
Worksheet - 11 & 12
Page 47 & 48
Page 47 & 48
Division Estimation Table
| Question | Estimation | Division | Correct/wrong |
|---|---|---|---|
| 463 ÷ 12 | 460 ÷ 10 = 46 | 38 (Rem = 7) | Correct |
| 642 ÷ 18 | 640 ÷ 20 = 32 | 35 (Rem = 12) | Correct |
Estimation Problems
-
a) 2410 ÷ 5 → Exact = 482
b) 908 ÷ 21 → Estimated: 900 ÷ 20 = 45 (Exact = 43, Rem = 5) -
III) A farmer harvested 6,980 guavas. He arranges them in trays of 38 guavas, estimate how many trays he will need?
Estimated: 7000 ÷ 40 = 175 trays (Exact = 184 trays)
-
IV) A group of students collected 9,080 plastic bottles for recycling. They will pack them in bags of 113 bottles each, how many bags will they need?
Answer: D) 80 (9080 ÷ 113 ≈ 80.35 → 80 bags)
Match the Division form with their multiplication form
| Division form | Ans | Multiplication form |
|---|---|---|
| i) 3645 ÷ 15 = 243 | ( b ) | a) 650 × 12 = 7800 |
| ii) 7800 ÷ 12 = 650 | ( a ) | b) 243 × 15 = 3645 |
| iii) 5555 ÷ 11 = 505 | ( d ) | c) 1110 × 9 = 9990 |
| iv) 9990 ÷ 9 = 1110 | ( c ) | d) 505 × 11 = 5555 |
-
Write statements for number sets:
- Set (360, 12, 30): Multiplication: 12 × 30 = 360, Division: 360 ÷ 12 = 30
- Set (400, 10, 40): Multiplication: 10 × 40 = 400, Division: 400 ÷ 10 = 40 -
III) A number multiplied by 36 gives the product 1,080. Make division to find the number.
Division sentence: 1080 ÷ 36 = 30
Multiplication sentence: 30 × 36 = 1080
Self Assessment
Page 49 & 50
Page 49 & 50
I) Do the following Multiplication and Division.
- a) 809 × 35 = 28,315
- b) 2226 ÷ 22 = 101 (Remainder = 4)
II) Observe the following, identify the mistake and correct it.
-
a) 5234 × 65
5 2 3 4 × 65
2 6 1 7 0 (5234 × 5)
+ 3 1 4 0 4 0 (5234 × 60)
-----------
3,40,210 -
b) 4028 ÷ 4
4028 ÷ 4 = 1007 (Quotient = 1007, Remainder = 0)
-
III) One day Raghu sold 425 packets of groundnuts. If each packet costs ₹10, find the total amount he earned on that day.
425 × 10 = ₹4,250
-
IV) The prices of two items: Fan = ₹2050, Table = ₹2125. If Suma decides to purchase 4 fans and 3 tables, how much amount does she have to pay in total?
4 fans = 2050 × 4 = ₹8,200
3 tables = 2125 × 3 = ₹6,375
Total amount to pay = 8200 + 6375 = ₹14,575 -
V) A student states if we multiply a number by 10 and then divide it by 5 the result will be double the number.
a) Is the student's statement correct? → Yes, the statement is correct.
b) Verification using example: Take number = 6 → (6 × 10) ÷ 5 = 60 ÷ 5 = 12 (Double of 6). -
VI) Use 809 × 25 and create a word problem on multiplication:
Word Problem: A book stall owner sold 809 dictionaries. If each dictionary costs ₹25, what is the total amount collected by the owner?
