Learning Activity 6.5: Write TRUE if the statement is correct and FALSE if the statement is wrong. 1. Elapsed time is the interval between two occurring events. 2. The key on estimating elapsed time is to round the time in minutes. 3. Adding the start time and end time will give you the elapsed time. 4. Actual elapsed time and estimated elapsed time are the same. 5. Number line is one of the easiest ways of outlining the start and end time before solving the elapsed time.