Page 38 - Maths Class 04
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3 Multiplication
Looking Back
We already know that —
« Multiplication means repeated addition.
« The number to be multiplied is the multiplicand .
« The number we are multiplying with, is the multiplier .
« The answer in multiplication is called the product .
Practice - 3.1
Practice - 3.1
Practice - 3.1
Practice - 3.1
Multiply the following.
1. 24 × 2 2. 51 × 4 3. 73 × 6 4. 16 × 5 5. 82 × 3
6. 96 × 18 7. 63 × 75 8. 36 × 48 9. 55 × 55 10. 74 × 32
Multiplication by a 2-Digit Number
Example : Multiply 48 by 16.
48 × 16 = ?
Solution :
Step-1 : Step-2 : Step-3 :
Multiply by ones. Multiply by tens. Add the products.
4 4 8 4 8
4 8 × 1 6 × 1 6
1
× 1 6 2 8 8 (48 × 6) 2 8 8 (48 × 6)
2 8 8 (48 × 6) 4 8 0 (48 × 10) + 4 8 0 (48 × 10)
7 6 8 (48 × 16)
Thus, 48 × 16 = 768.
Mathematics-4 38
