Let’s solve each subtraction problem step by step. Remember: subtract minutes first, then hours — just like the worksheet says!
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(a) 8 h 20 min – 7 h 15 min
Minutes: 20 – 15 =
5 min
Hours: 8 – 7 =
1 h
→ Answer:
1 h 5 min
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(b) 4 h 35 min – 1 h 25 min
Minutes: 35 – 25 =
10 min
Hours: 4 – 1 =
3 h
→ Answer:
3 h 10 min
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(c) 3 h 55 min – 2 h 30 min
Minutes: 55 – 30 =
25 min
Hours: 3 – 2 =
1 h
→ Answer:
1 h 25 min
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(d) 5 h 48 min – 3 h 45 min
Minutes: 48 – 45 =
3 min
Hours: 5 – 3 =
2 h
→ Answer:
2 h 3 min
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(e) 7 h 25 min – 4 h 10 min
Minutes: 25 – 10 =
15 min
Hours: 7 – 4 =
3 h
→ Answer:
3 h 15 min
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(f) 6 h 35 min – 4 h 13 min
Minutes: 35 – 13 =
22 min
Hours: 6 – 4 =
2 h
→ Answer:
2 h 22 min
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(g) 4 h 40 min – 2 h 29 min
Minutes: 40 – 29 =
11 min
Hours: 4 – 2 =
2 h
→ Answer:
2 h 11 min
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(h) 3 h 50 min – 1 h 35 min
Minutes: 50 – 35 =
15 min
Hours: 3 – 1 =
2 h
→ Answer:
2 h 15 min
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Final Answer:
(a) 1 h 5 min
(b) 3 h 10 min
(c) 1 h 25 min
(d) 2 h 3 min
(e) 3 h 15 min
(f) 2 h 22 min
(g) 2 h 11 min
(h) 2 h 15 min
Parent Tip: Review the logic above to help your child master the concept of timed subtraction worksheet for 3rd.