Page 156 - Mathematics_Std_4

Exercise 2

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

FOR ONLINE READING ONLY
3 15 2 15 7 20
+4 25 + 4 20 + 1 35

4. hours minutes 5. hours minutes 6. hours minutes

2 30 6 30 8 10

+ 1 10 + 2 30 + 1 10

7. hours minutes 8. hours minutes 9. hours minutes

5 30 5 00 9 05

+ 1 15 + 2 59 + 2 30

10. hours minutes 11. hours minutes 12. hours minutes
3 15 6 09 4 12

+ 1 35 + 1 14 + 1 17

Addition of measurements of time with regrouping

Addition of measurements of time with regrouping is done

by converting the units of time depending on how they are
related.

149

06/11/2024 17:17:54
MATHEMATICS STD 4 PB 2024.indd 149
MATHEMATICS STD 4 PB 2024.indd 149 06/11/2024 17:17:54