Page 51 - Maths Class 04

Multiply and add along the diagonals. If the sum is in 2 digits, carry the tens
digits to the next place.

1 2 5
1 2 5
0 0 1
0 2 × 2 8
2 4 0

1 0 0 0
0 1 4
3 8
8 6 0 + 2 5 0 ×

5 0 0 3 5 0 0

Therefore, the product of 125 and 28 is 3500.

Practice - 3.8
Practice - 3.8
Practice - 3.8
Practice - 3.8
1. Find the product.

6 2 5 7 4 5 2 3 7
a. b. c.
2 3 2

3 8 7

d. 145 × 37 e. 540 × 16 f. 787 × 11 g. 942 × 69

2. Multiply the following by expanded notation method.

a. 6497 × 6 b. 550 × 4 c. 1346 × 7 d. 7429 × 8

1. Tick ( ) the correct option.3

a. The number to be multiplied is called :

i. multiplier ii. multiplicand iii. product iv. sum

b. Which of the following shows associative property of multiplication ?

i. (a × b) × c = a × (b × c) ii. a × b = b × a

iii. a × b = ab iv. a × b = b + a

Mathematics-4 51