Book club starts at 1:00 p.m. and ends at 2:30 p.m. How much time has elapsed?, 1 1/2 hours, 2 hours, 2 1/2 hours, Music class starts at 2:00 p.m. and ends at 3:00 p.m. How much time has elapsed?, 1 hour, 2 hours, 2 1/2 hours, Centers start at 10:00 a.m. and finish at 11:30 a.m. How much time has elapsed?, 1 hour, 1 1/2 hours, 2 hours, Crafting time begins at 9:00 a.m. and ends at 11:00 a.m. How much time has elapsed?, 3 hours, 2 hours, 1 1/2 hours, Recess lasts 30 minutes and starts at 2:00 p.m. What time does recess end?, 2:00 p.m., 2:30 p.m., 3:00 p.m..

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