Curated OER
Calculate Time Intervals in 12 and 24 Hour Systems
For this calculate time intervals in 12 and 24 hour systems worksheet, 4th graders solve 4 time interval problems in a 12 hour system and 4 in a 24 hour system with immediate online feedback.
Curated OER
Unit 14 Section 2: 12-Hour and 24-Hour Clocks
In this 12-hour and 24-hour clocks worksheet, students solve 40 problems. Students convert the times back and forth between the 2 systems. This page was intended to be an online activity, but can be completed with pencil and paper.