Time Conversion and Measurement

In this video, Daniel Carreón introduces the concept of time unit conversion, focusing on hours, minutes, and seconds. He explains the sexagesimal system and demonstrates how to convert between these units using multiplication and division by 60. The video includes several exercises to practice converting between different time units, both from larger to smaller units and vice versa. Daniel also provides complex examples involving mixed units and concludes with additional exercises for viewers to solve.

What is the physical quantity that measures the duration of an event?

• Mass

• Length

• Time

• Temperature

How many seconds are there in one minute?

• 90

• 60

• 45

• 30

To convert hours to minutes, you need to:

• Subtract 60

• Divide by 60

• Multiply by 60

• Add 60

To convert seconds to minutes, you need to:

• Subtract 60

• Multiply by 60

• Divide by 60

• Add 60

How many minutes are there in 4 hours?

• 180

• 120

• 300

• 240

How many seconds are there in 130 minutes?

• 7,200

• 8,400

• 9,000

• 7,800

How many seconds are there in 7 hours?

• 24,000

• 21,600

• 28,800

• 25,200

How many hours are there in 14,400 seconds?

• 4 hours

• 3 hours

• 2 hours

• 5 hours

How many hours are there in 28,800 seconds?

• 7 hours

• 8 hours

• 9 hours

• 6 hours

How many minutes are there in 480 minutes?

• 9 hours

• 8 hours

• 7 hours

• 6 hours