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Time Unit Conversions

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Time Unit Conversions

Time Unit Conversions

Clock and stopwatch illustration

⏰ Part 1: Basic Time Conversions

1. Convert these times to seconds:

a) 3 minutes = _______ seconds

b) 5 minutes = _______ seconds

c) 2.5 minutes = _______ seconds

2. Convert these times to minutes:

a) 120 seconds = _______ minutes

b) 300 seconds = _______ minutes

c) 90 seconds = _______ minutes

🏃 Part 2: Sporting Events with Milliseconds

3. A runner completes a 100m sprint in 12.45 seconds. How many milliseconds is this?
4. Convert these race times to milliseconds:

a) 9.8 seconds = _______ milliseconds

b) 15.23 seconds = _______ milliseconds

c) 2.1 seconds = _______ milliseconds

5. Which swimmer was faster? Circle the correct answer:

Swimmer A: 58.42 seconds

Swimmer B: 58,350 milliseconds

Swimmer A

Swimmer B

They were the same

📊 Part 3: Mixed Conversions

6. Fill in the missing conversions:

a) 4 minutes = _______ seconds = _______ milliseconds

b) 7,500 milliseconds = _______ seconds = _______ minutes

c) 1.5 minutes = _______ seconds = _______ milliseconds

7. A netball quarter lasts 15 minutes. How many seconds is this?
8. Check all the times that are equal to 2 minutes:

120 seconds

120,000 milliseconds

200 seconds

2,000 milliseconds

🎯 Part 4: Real-World Problems

9. A microwave timer is set for 2.5 minutes. How many seconds will it run?
10. Match the equivalent times:
1. 3.5 minutes
2. 45 seconds
3. 1,500 milliseconds
4. 0.5 minutes
A. 30 seconds
B. 210 seconds
C. 1.5 seconds
D. 0.75 minutes
11. A song lasts 3 minutes and 45 seconds. Express this time as:

a) Total seconds: _____________

b) Decimal minutes: _____________ minutes

💭 Part 5: Reflection

12. Explain when you might need to use milliseconds instead of seconds in real life:
13. Which conversion do you find easiest? Circle one:

Minutes to seconds

Seconds to minutes

Seconds to milliseconds

Milliseconds to seconds

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