Page 51 - Touchpad Mathematics_Ver1.0_C4

E:\Working\Orange_Education\TouchPad_Maths_4\Open_Files\Chap_03\Chap_03
\ 10-Nov-2025 Bharat Arora Proof-8 Reader’s Sign _______________________ Date __________

Example 3. Find the product: 1436 × 25.

Solution.
Step 1. Multiply by the Step 2. Multiply by the Step 3. Add the products.

ones. tens.

Th H T O TTh Th H T O TTh Th H T O
1 4 3 6 1 4 3 6 1 4 3 6
× 2 5 20 + 5 × 2 5 20 + 5 × 2 5

7 1 8 0 1436 × 5 7 1 8 0 7 1 8 0

+ 2 8 7 2 0 1436 × 20 + 2 8 7 2 0
3 5 9 0 0

Therefore, 1436 × 25 = 35900.

Exercise 3C

1. Fill in the blanks.

a. 57 × 10 = _____ b. 168 × 10 = _____ c. 2413 × 10 = _____

d. ___ × 10 = 930 e. 246 × ___ = 2460 f. 43 × 30 = _____

g. 571 × 40 = _____ h. 274 × 60 = _____ i. 1345 × 50 = _____

2. Find the product.

a. 1 2 b. 1 7 5 c. 3 0 8 d. 3 5 4
× 1 4 × 6 5 × 7 3 × 5 2

3. Solve the following in your notebook using a suitable method.

a. 34 × 52 = _____ b. 78 × 35 = _____ c. 39 × 49 = _____

d. 148 × 27 = _____ e. 201 × 59 = _____ f. 543 × 18 = _____

g. 779 × 26 = _____ h. 495 × 64 = _____ i. 507 × 65 = _____

j. 1432 × 58 = _____ k. 3046 × 12 = _____ l. 1078 × 37 = _____

49
Multiplication