Elapsed Time worksheet for practicing time intervals between clock readings.

Explanation:
We need to find how many hours have passed between the time shown on the first clock and the time shown on the second clock in each pair.

Let’s go row by row, pair by pair:

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Top-left pair:
First clock: hour hand on 7, minute hand on 12 → 7:00
Second clock: hour hand on 9, minute hand on 12 → 9:00
From 7:00 to 9:00 is 2 hours.

Top-right pair:
First clock: hour hand on 10, minute hand on 12 → 10:00
Second clock: hour hand on 11, minute hand on 12 → 11:00
From 10:00 to 11:00 is 1 hour.

Middle-left pair:
First clock: hour hand on 11, minute hand on 12 → 11:00
Second clock: hour hand on 12, minute hand on 12 → 12:00
From 11:00 to 12:00 is 1 hour.

Middle-right pair:
First clock: hour hand on 10, minute hand on 12 → 10:00
Second clock: hour hand on 12, minute hand on 12 → 12:00
From 10:00 to 12:00 is 2 hours.

Bottom-left pair:
First clock: hour hand on 11, minute hand on 12 → 11:00
Second clock: hour hand on 12, minute hand on 12 → 12:00
Again, 1 hour.

Bottom-right pair:
First clock: hour hand on 10, minute hand on 12 → 10:00
Second clock: hour hand on 11, minute hand on 12 → 11:00
That’s 1 hour.

Let me double-check each one carefully:

1. 7 → 9 = 2 ✔
2. 10 → 11 = 1 ✔
3. 11 → 12 = 1 ✔
4. 10 → 12 = 2 ✔
5. 11 → 12 = 1 ✔
6. 10 → 11 = 1 ✔

All correct.

Final Answer:
2, 1, 1, 2, 1, 1