Elapsed Time Flashcards

Grade 3 · Math · Flashcards

Review time conversions and elapsed time strategies with these flashcards.

Flashcards

Minutes in 1 hour: 60 minutes
Minutes in half an hour: 30 minutes
Minutes in a quarter hour: 15 minutes
Hours in 1 day: 24 hours
Elapsed time: start 4:00, end 6:30: 2 hours 30 minutes
Elapsed time: start 11:15 AM, end 1:00 PM: 1 hour 45 minutes (11:15 → 1:00 crosses noon)
End time: start 8:20 AM, elapsed 1 hr 15 min: 9:35 AM
Start time: end 3:00 PM, elapsed 2 hr 30 min: 12:30 PM
A.M.: Morning hours: 12:00 midnight to 11:59 AM (before noon)
P.M.: Afternoon/evening hours: 12:00 noon to 11:59 PM
Number line strategy: Mark start time, jump by hours to get close, then jump by minutes to reach end time. Add all jumps.
Crossing 12:00 noon: Time goes 11:59 AM → 12:00 PM. Count minutes carefully when passing noon.