Multiplication - Class 4 - Mathematics
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Exercise 3.1 - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
Multiply all the numbers by $10,100,1000$. Colour ONLY those balloons in which you see the correct answers for the numbers given.
Multiplying the given numbers by 10, 100, and 1000:
87×10=87087×10=870
87×100=870087×100=8700
87×1000=8700087×1000=87000
15×10=15015×10=150
15×100=150015×100=1500
15×1000=1500015×1000=15000
96×10=96096×10=960
96×100=960096×100=9600
96×1000=9600096×1000=96000
12×10=12012×10=120
12×100=120012×100=1200
12×1000=1200012×1000=12000
55×10=55055×10=550
55×100=550055×100=5500
55×1000=5500055×1000=55000
13×10=13013×10=130
13×100=130013×100=1300
13×1000=1300013×1000=13000
10×10=10010×10=100
10×100=100010×100=1000
10×1000=1000010×1000=10000
62×10=62062×10=620
62×100=620062×100=6200
62×1000=6200062×1000=62000
67×10=67067×10=670
67×100=670067×100=6700
67×1000=6700067×1000=67000
49×10=49049×10=490
49×100=490049×100=4900
49×1000=4900049×1000=49000
Now, let's check the balloons:
Balloon with "800" is not correct for any of the given numbers.
Balloon with "8700" is correct for 87×10087×100.
Balloon with "12000" is correct for 12×100012×1000.
Balloon with "960" is correct for 96×1096×10.
Balloon with "1000" is correct for 10×10010×100.
Balloon with "49000" is correct for 49×100049×1000.
So, the balloons with the numbers 8700, 12000, 960, 1000, and 49000 should be colored.
Solve the following with steps
a. There are 80 cupcakes in one pack. How many cupcakes will be there in 1000 such packs?
b. There are 20 cookies in one pack. How many cookies will be there in 100 such packs?
c. A bag of cream buns contains 15 buns. What will be the total number of cream buns in 10 such bags?
d. There are six bananas in one packet. How many bananas will be there in 100 such packets?
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Sign up nowExercise 3.2 - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
Fill in the blanks.
a. $5 \times 11=$
b. $4 \times 14=$
C. $3 \times 15=$
d. $6 \times 13=$
e. $10 \times 12=$
f. $9 \times 15=$
g. $8 \times 14=$
h. $7 \times 11=$
Here are the results for the multiplications:
a. $$5 \times 11 = 55$$ b. $$4 \times 14 = 56$$ c. $$3 \times 15 = 45$$ d. $$6 \times 13 = 78$$ e. $$10 \times 12 = 120$$ f. $$9 \times 15 = 135$$ g. $$8 \times 14 = 112$$ h. $$7 \times 11 = 77$$
Write yes or no.
$15 \times 5=75$
$13 \times 7=90$
$12 \times 6=70$
$14 \times 9=126$
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Sign up nowExercise 3.3 - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
Multiply the following.
a. $134 \times 312$
b. $254 \times 234$
c. $524 \times 163$
d. $257 \times 332$
e. $214 \times 110$
f. $152 \times 144$
g. $230 \times 176$
h. $125 \times 435$
Here are the results of the given multiplications:
a. $$134 \times 312 = 41808$$ b. $$254 \times 234 = 59436$$ c. $$524 \times 163 = 85412$$ d. $$257 \times 332 = 85324$$ e. $$214 \times 110 = 23540$$ f. $$152 \times 144 = 21888$$ g. $$230 \times 176 = 40480$$ h. $$125 \times 435 = 54375$$
Solve.
a. $143 \times 456$
b. $256 \times 123$
c. $623 \times 245$
d. $123 \times 934$
e. $112 \times 259$
f. $170 \times 346$
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Sign up nowExercise 3.4 - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
Multiply the following.
TTh | Th | H | T | O |
---|---|---|---|---|
2 | 6 | 3 | 2 | |
x | 5 |
The task is to multiply the entries in the given table. Here's the breakdown:
The table entries to be multiplied are: (2, 6, 3, 2, 5).
Now, let's compute the product:
$$ 2 \times 6 \times 3 \times 2 \times 5 $$
Computing the product:
The result of multiplying the numbers (2, 6, 3, 2, 5) is (360).
Arrange in columns and multiply.
a. $5234 \times 3$
b. $6234 \times 23$
C. $8356 \times 6$
d. $4567 \times 54$
e. $3690 \times 53$
f. $2057 \times 9$
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Sign up nowExercise 3.5 - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
Estimate the products by rounding off the numbers to the nearest $10 \mathrm{~s}$.
a. $542 \times 55$
b. $375 \times 12$
c. $425 \times 19$
d. $265 \times 7$
e. $389 \times 9$
Here are the estimated products by rounding off the numbers to the nearest 10s:
a. $ 542 \times 55$ rounds to $ 540 \times 60 = 32400 $
b. $ 375 \times 12 $ rounds to $ 380 \times 10 = 3800 $
c. $ 425 \times 19 $ rounds to $420 \times 20 = 8400 $
d. $ 265 \times 7 $ rounds to $ 260 \times 10 = 2600$
e. $ 389 \times 9 $ rounds to $ 390 \times 10 = 3900 $
Estimate the products by rounding off the numbers to the nearest $100 \mathrm{~s}$.
a. $124 \times 56$
b. $275 \times 77$
d. $234 \times 112$
e. $715 \times 134$
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Sign up nowExercise 3.6 - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
A company produces 876 scooters every day. How many scooters are produced in 355 days?
To find the total number of scooters produced in 355 days, we simply need to multiply the daily production by the number of days:
$$ \text{Total scooters} = 876 , \text{scooters/day} \times 355 , \text{days} $$
Performing the multiplication:
$$ \text{Total scooters} = 876 \times 355 = 310980 $$
Thus, the company produces 310,980 scooters in 355 days.
247 students participated in a fund raising event. Each student collected 152 acceptance signatures. What was the total number of signatures collected?
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Sign up nowA bakery sells 2400 cupcakes in one day. How many cupcakes will be sold in a week?
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Sign up now3000 carpets are made in a factory every day. Find out how many carpets will be made in 60 days.
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Sign up nowRohan bought a novel which had 1025 pages. He bought the same book for his friend Joe. What is the total number of pages in both the books?
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Sign up nowA shopkeeper got an order to sell 1165 water jugs in a week. How many jugs can he sell in 2 weeks?
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Sign up nowThere are 1200 mangoes in one box. How many mangoes will there be in 50 boxes?
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Sign up nowChapter Review - Multiplication | Cambridge Maths Milestone | Mathematics | Class 4
$100 \times 100=$
a. 1000
b. 100
c. 10000
d. 1000000
The multiplication of $100 \times 100$ equals $10000$. Thus, the correct answer is:
c. 10000
$14 \times 8=$
a. 110
b. 112
c. 211
d. 121
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Sign up nowSolve the sums given and create your Spinning wheel
i. $345 \times 5$
ii. $5623 \times 9$
iv. $234 \times 4$
v. $2045 \times 6$
iii. $8692 \times 12$
vi. $1042 \times 14$
a. If the ones digit is an even number, colour any two spokes of the wheel in red colour.
b. If the ones digit is an odd number, colour any two spokes in yellow colour.
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