Page 155 - New Medley 4 Semester 1

Multiplication by numbers greater than 20

Example 3: Multiply: 5946 by 23.

Solution: L TTh Th H T O

1 1 → carried over

2 1 1 → carried over

5 9 4 6

× 2 3

1 1 → carried over

1 7 8 3 8

1 1 8 9 2 0

1 3 6 7 5 8

Product = 136758.

EXERCISE 3.3

A. Multiply.

1. L TTh Th H T O 2. L TTh Th H T O

1 7 2 3 2 6 6 1

× 2 3 × 3 2

B. Multiply.

1. 4329 × 41 2. 1455 × 52

3. 2736 × 62 4. 1214 × 72

5. 2397 × 84 6. 4516 × 92

7. 1553 × 152 8. 2409 × 245

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