Clock angle
At 3:15, what angle
A classic clock-angle question that catches people who forget the hour hand moves.

Quick answer
Answer: 7.5 degrees
At 3:15, the minute hand points at the 3. The hour hand has moved one quarter of the way from 3 to 4. One hour mark is 30 degrees, so one quarter is 7.5 degrees.
How to use it
1
Place the minute hand at 15 minutes.
2
Remember the hour hand keeps moving.
3
Calculate one quarter of 30 degrees.
4
Use the smaller angle between the hands.
What this trains
Spatial reasoning
Time conversion
Precision
Mental math
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