Elapsed Time and Clock Concepts

Teacher Eunice explains the concept of elapsed time, which is the time that has passed between two events. The video demonstrates how to calculate elapsed time using an analog clock through two examples: Carmelo's reading session and Pedro's guitar practice. The video concludes with a recap of the key points and mentions an upcoming video on using a number line to calculate elapsed time.

What does the term 'elapsed time' refer to?

• The time that has passed during an activity

• The time taken to start an activity

• The time at which an activity ends

• The time remaining to complete an activity

Which tool is used in the video to calculate elapsed time?

• Sundial

• Analog clock

• Stopwatch

• Digital clock

Carmelo started reading at 9:15 AM and finished at 10:00 AM. How long did she read?

• 30 minutes

• 45 minutes

• 1 hour and 15 minutes

• 1 hour

How many minutes does each number on the clock represent?

• 10 minutes

• 1 minute

• 2 minutes

• 5 minutes

Pedro practiced guitar from 2:05 PM to 4:20 PM. How long did he practice?

• 3 hours

• 2 hours and 15 minutes

• 2 hours

• 2 hours and 30 minutes

What is equivalent to one hour on the analog clock?

• Three-quarters of a revolution

• A full revolution

• Half a revolution

• A quarter revolution

What is the significance of the phrase 'how long' in the context of elapsed time?

• It denotes the time left to complete an activity

• It refers to the duration between start and end times

• It signifies the end time of an activity

• It indicates the start time of an activity

What is the alternative method mentioned for calculating elapsed time?

• Using a calendar

• Using a number line

• Using a stopwatch

• Using a digital clock