Page 130 - New Medley 3 Semester 1

EXERCISE 3.2

Subtract:

1. Th H T O 2. Th H T O 3. Th H T O

6 5 2 5 6 3 5 9 6 6 3 4

– 2 9 4 7 – 5 4 7 3 – 4 5 7 8

4. Th H T O 5. Th H T O 6. Th H T O

8 2 3 9 7 3 5 7 7 0 3 4
– 2 5 7 2 – 2 3 9 4 – 3 5 9 7

7. Th H T O 8. Th H T O 9. Th H T O

8 3 2 3 5 2 1 4 9 0 3 6
– 8 0 7 3 – 3 5 3 6 – 2 3 8 3

10. Th H T O 11. Th H T O 12. Th H T O

8 1 9 0 9 5 0 5 7 0 5 8
– 2 5 5 5 – 4 9 9 5 – 2 4 7 4

Subtraction Stories

Example 3: A factory has 4681 workers. 2430 of them are women.
How many workers are men?

Solution: Th H T O

Number of workers in the factory 4 6 8 1

Number of women workers – 2 4 3 0

Number of men workers 2 2 5 1

Thus there are 2251 male workers in the factory.

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