Page 148 - New Medley 3 Semester 1

EXERCISE 4.3

Multiply:

1. 6 7 6 2. 7 7 5 3. 6 8 5 4. 7 2 6

× 1 1 × 1 1 × 1 2 × 1 2

5. 5 4 8 6. 6 5 3 7. 4 9 4 8. 5 5 9
× 1 3 × 1 3 × 1 4 × 1 4

9. 6 1 3 10. 3 7 6 11. 4 6 9 12. 5 4 8

× 1 4 × 1 5 × 1 5 × 1 5

Multiplying by 10, 100 and 1000

6 × 1 ten = 6 tens 6 × 10 = 60

6 × 1 hundred = 6 hundreds 6 × 100 = 600

6 × 1 thousand = 6 thousands 6 × 1000 = 6000

14 × 1 ten = 14 tens 14 × 10 = 140

14 × 1 hundred = 14 hundreds 14 × 100 = 1400

47 × 1 ten = 47 tens 47 × 10 = 470

47 × 1 hundred = 47 hundreds 47 × 100 = 4700

To multiply a number by 10, put one zero to the right of the number.

To multiply a number by 100, put two zeros to the right of the number.

To multiply a number by 1000, put three zeros to the right of the number.

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