Time and Elapsed Time Flashcards

Grade 4 · Math · Flashcards

Quick-review cards for reading clocks and calculating elapsed time.

Flashcards

Minutes in 1 hour: 60 minutes
Hours in 1 day: 24 hours
AM: Morning: midnight (12:00 AM) to just before noon.
PM: Afternoon/evening: noon (12:00 PM) to just before midnight.
12:00 PM: Noon — the middle of the day.
12:00 AM: Midnight — the middle of the night.
Elapsed time: The amount of time between a start and an end. Count forward from start to end.
Elapsed time: 2:30 to 5:00: 2 hours 30 minutes
Elapsed time: 10:15 AM to 1:45 PM: 3 hours 30 minutes
How many minutes in 3 hours?: 180 minutes (3 × 60)
Strategy: counting up for elapsed time: Jump by hours first, then minutes. Add all jumps together.
30 minutes before 4:00 PM: 3:30 PM