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E:\Working\Orange_Education\Math_Genius_4\Open_Files\Chap-03
\ 30-Sep-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________
1. Fill in the blanks.
(a) 24 × 15 = ____________ (b) 3555 × __________= 355500
(c) 20 × 10 × 5 = 20 × ___________
2. Find the product of the following.
(a) th H t O (b) th H t O
3 1 3 1 2 5
× 1 2 × 1 5
3. If the cost of one toy is `125, find the cost of 8 such toys.
Multiplication by a 1-Digit nuMber
In Class 3, we have learnt the process of multiplication of numbers up to 3 digits by
1-digit and 2-digit numbers.
Let us extend our learning about the multiplication of numbers up to 4 digits by 1-,
2- and 3-digit numbers.
On the occasion of Diwali, all the members of the society contributed to buying
sparkler packets to celebrate this eve happily.
Shivi: How many packets of sparklers did we purchase for the celebration, Mother?
Mother: Members of the society purchased 2343 sparkler packets.
Shivi: And how many sparklers are there in each packet?
Mother: Each packet contains 4 sparklers. happy diwali
Shivi: Then how many sparklers do we have?
Mother: We have 9372 sparklers.
Shivi: Hurrah! But how do you calculate it?
Mother: With the help of multiplication.
54 Mathematics-4

