Page 160 - Mathematics_Std_4

Example 2 Example 3

hours minutes hours minutes
8 37 8 37
FOR ONLINE READING ONLY
− 3 22 − 4 28

Solution Solution
hours minutes hours minutes

8 37 8 37
− 3 22 − 4 28

5 15 4 09

Exercise 4

1. hours minutes 2. hours minutes 3. hours minutes

3 40 5 55 9 52

− 1 25 − 3 13 − 1 37

4. hours minutes 5. hours minutes 6. hours minutes
4 17 4 32 9 55
− 2 11 − 1 19 − 6 50

7. hours minutes 8. hours minutes 9. hours minutes
5 42 8 23 5 50
− 1 22 − 1 12 − 2 30

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06/11/2024 17:17:57
MATHEMATICS STD 4 PB 2024.indd 153 06/11/2024 17:17:57
MATHEMATICS STD 4 PB 2024.indd 153