Shark Learning
Grade 3/Measurement

⏰ Mixed Time Units

Practice converting between various time units.
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Easy
1
12 questions
2
12 questions
Medium
1
12 questions
2
12 questions
Hard
1
12 questions
2
12 questions

Practice Questions

  1. 2 min = ? sec
    Show answer

    120

  2. 3 hr = ? min
    Show answer

    180

  3. 2 days = ? hr
    Show answer

    48

  4. 120 sec = ? min
    Show answer

    2

  5. 240 min = ? hr
    Show answer

    4

Quick Tip
Use the appropriate conversion factor for each problem.
Teacher Resources
Teaching Notes

This collection focuses on mixed time units. Ensure students understand the relationship between seconds, minutes, hours, and days.

Vocabulary
Second: The smallest standard unit of time.
Minute: A unit of time equal to 60 seconds.
Hour: A unit of time equal to 60 minutes.
Common Mistakes
  • Confusing the conversion factors (60 vs 24)
  • Multiplying instead of dividing
  • Forgetting to label units
  • Miscalculating elapsed time across AM/PM boundaries
  • Incorrect conversion factor
  • Mixing up units
  • Calculation errors
  • Ignoring remainders
Differentiation
SupportProvide a clock or timeline. Use real-world examples like class schedule.
ChallengeChallenge students to convert across multiple steps or calculate elapsed time with more complex intervals.
Discussion Questions
  • Why are there 60 minutes in an hour?
  • How do you calculate time difference?
  • When would you use seconds instead of minutes?
  • Why do we convert time units?
  • When do you convert time in daily life?
  • How many seconds are in 2 days?
  • Explain 1.5 hours in minutes.
Extension Activities
  • Create a daily schedule.
  • Time activities in the classroom.
  • Calculate the duration of a movie or event.
Parent Tip

Ask your child to time something for 1 minute, then count seconds.

Learning Path
Skill Cluster

Time and Measurement

Estimated Time

15 minutes

Skills Practiced
Mixed time units