Grade 5 - Mathematics
Topic: Converting Units of Time
Name: _________________________
Date: _________________________
Score: _________________________
Remember: 1 minute = 60 seconds, 1 hour = 60 minutes, 1 day = 24 hours, 1 week = 7 days
Rule: Big to Small = Multiply, Small to Big = Divide
Check: Always verify your answers by converting back!
How many hours are in 3 days?
- Identify the relationship: 1 day = 24 hours
- Multiply by the conversion factor
- Calculate: 3 × 24 = 72 hours
- Verify: 72 ÷ 24 = 3 days ✓
How many hours altogether?
- Convert days to hours: 2 × 24 = 48 hours
- Add the extra hours: 48 + 5 = 53 hours
- Verify: 53 ÷ 24 = 2.208... days = 2 days 5 hours ✓
How many hours altogether?
- Convert weeks to days: 1 × 7 = 7 days
- Add extra days: 7 + 3 = 10 days
- Convert days to hours: 10 × 24 = 240 hours
- Verify: 240 ÷ 24 = 10 days = 1 week 3 days ✓
Convert Days to Hours
1. 4 days = _______ hours
2. 7 days = _______ hours
3. 3 days = _______ hours
4. 9 days = _______ hours
5. 6 days = _______ hours
Convert Weeks to Days
6. 2 weeks = _______ days
7. 5 weeks = _______ days
8. 3 weeks = _______ days
9. 4 weeks = _______ days
10. 1 week = _______ days
Convert Hours to Minutes
11. 12 hours = _______ minutes
12. 8 hours = _______ minutes
13. 15 hours = _______ minutes
14. 6 hours = _______ minutes
15. 10 hours = _______ minutes
Convert Mixed Units to Single Unit
16. 3 days 6 hours = _______ hours
17. 2 weeks 4 days = _______ days
18. 4 hours 30 minutes = _______ minutes
19. 1 week 2 days = _______ hours
20. 5 days 12 hours = _______ hours
Convert Single Unit to Mixed Units
21. 75 hours = _______ days _______ hours
22. 25 days = _______ weeks _______ days
23. 150 minutes = _______ hours _______ minutes
24. 180 hours = _______ days _______ hours
25. 35 days = _______ weeks _______ days
Complex Conversions
26. Convert 2 weeks 3 days 5 hours to total hours.
27. Convert 1 week 4 days 8 hours to total minutes.
28. How many seconds are in 1 day 3 hours?
29. Convert 3 weeks 2 days to minutes.
30. Express 300 hours in weeks, days, and hours.
Word Problems
31. Sarah's vacation lasted 2 weeks and 3 days. How many hours was her vacation?
32. A project took 120 hours to complete. Express this time in days and hours.
33. If a movie is 2 hours and 45 minutes long, how many seconds is that?
34. A train journey takes 3 days and 6 hours. How many minutes is this?
35. A construction project lasted 4 weeks and 2 days. How many hours did it last?
Questions & Answers
Question: How can I effectively use this worksheet in my classroom for grade 5 students?
Answer: Here are effective strategies for using this worksheet:
- Introduction: Review the key concepts and examples as a class
- Guided Practice: Work through the first few problems together
- Independent Work: Allow students to complete the rest individually
- Peer Review: Have students check each other's work
- Assessment: Use the answer key to check understanding
- Extension: Challenge advanced students with word problems
The worksheet includes a complete learning summary for review and reference.
Question: How can I help my child work through this worksheet at home?
Answer: Here are helpful strategies:
- Review Concepts: Go through the definitions and rules together
- Start Simple: Begin with easier problems to build confidence
- Use Visuals: Draw number lines or use manipulatives
- Check Answers: Verify each answer before moving to the next
- Relate to Life: Connect problems to real-world situations
- Be Patient: Allow time for understanding and practice
The complete learning summary provides additional support for review.
Question: I'm having trouble with complex multi-step conversions like "2 weeks 3 days 5 hours". How do I solve these?
Answer: Here's the step-by-step process for complex conversions:
- Identify all units: 2 weeks, 3 days, 5 hours
- Convert each to target unit (hours):
- 2 weeks = 2 × 7 × 24 = 336 hours
- 3 days = 3 × 24 = 72 hours
- 5 hours = 5 hours
- Add all together: 336 + 72 + 5 = 413 hours
Always convert step by step, from largest to smallest unit toward your target unit.