Page 97 - TouchPad Mathematics_Ver 1.0_C2

E:\Working\Orange_Education\TouchPad_Maths_2\Open_Files\Maths_2_Chapter-05_New
\ 14-Nov-2025 Bharat Arora Proof-7 Reader’s Sign _______________________ Date __________

mulTiPlyinG A 2-DiGiT numBER By A 1-DiGiT numBER

multiplication without Regrouping
Example. Multiply 23 by 3.

Step 1. Arrange the given Step 2. Multiply the Step 3. Multiply the

numbers in columns ones. tens.
correctly. T O T O T O

2 3 2 3 2 3
× 3 × 3 × 3

9 6 9

3 × 3 = 9 ones 2 × 3 = 6 tens

So, 23 × 3 = 69.

Some more examples:
a. b. T O T O
T O T O

2 2 2 2 1 4 1 4
× 4 × 4 × 2 × 2

8 8 8 8 2 8

Exercise 5E

Find the product. One has been done for you.
1. T O 2. T O 3. T O 4. T O

1 2 3 2 2 2 3 3

× 4 × 2 × 3 × 2

4 8

5. T O 6. T O 7. T O 8. T O

2 1 5 0 3 3 1 1

× 4 × 1 × 3 × 6

95
Multiplication