Page 41 - Maths Class 04

Example : Multiply 569 by 307.

569 × 307 = ? 2 2 2 2
4 6 4 6
Solution : 5 6 9 5 6 9

× 3 0 7 × 3 0 7
1 1
3 9 8 3 3 9 8 3 (569 × 7)
0 0 0 0 + 1 7 0 7 0 0 (569 × 300)

+ 1 7 0 7 0 0 You should 1 7 4 6 8 3 (569 × 307)
1 7 4 6 8 3 avoid this step.

Thus, 569 × 307 = 174683.

Practice - 3.3
Practice - 3.3
Practice - 3.3
Practice - 3.3
Find the product.

1. 873 × 401 2. 465 × 662 3. 635 × 383

4. 946 × 130 5. 826 × 736 6. 334 × 517

7. 517 × 300 8. 469 × 300 9. 272 × 500

10. 579 × 185 11. 627 × 462 12. 384 × 309

Multiplication of a 4-Digit Number by 1-Digit Number

Example : Multiply 3415 by 3.

3415 × 3 = ?

Solution :

Step-1 : Step-2 : Step-3 : Step-4 :
Multiply the Multiply the Multiply the Multiply the

ones. tens. hundreds. thousands.

1 1 1 1 1 1
3 4 1 5 3 4 1 5 3 4 1 5 3 4 1 5

× 3 × 3 × 3 × 3

5 4 5 2 4 5 1 0 2 4 5

Thus, 3415 × 3 = 10245.

Mathematics-4 41