Understanding Time Conversion

The video tutorial explains how to convert 549 minutes into hours, both as a decimal and a fraction. It begins by dividing 549 by 60, the number of minutes in an hour, resulting in 9.15 hours. The tutorial then visualizes this conversion by mapping hours to minutes and further breaks down the remaining minutes into a fraction of an hour, showing that 9 minutes is 9/60 or 3/20 of an hour. The video concludes by demonstrating that 9.15 hours is equivalent to 9 and 3/20 hours.

Why do we divide 549 minutes by 60 to convert it into hours?

• Because 60 is the number of hours in a day.

• Because 60 is the number of seconds in a minute.

• Because 60 is the number of days in a month.

• Because 60 is the number of minutes in an hour.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

What is the result of dividing 549 by 60?

• 10.15

• 9.15

• 11.15

• 8.15

Tags

CCSS.4.MD.A.1

How do we handle the remainder when dividing 549 by 60?

• Convert it into a decimal.

• Convert it into seconds.

• Ignore it.

• Add it to the next hour.

Tags

CCSS.5.MD.A.1

What does 9.15 hours represent in terms of hours and minutes?

• 9 hours and 45 minutes

• 9 hours and 9 minutes

• 9 hours and 15 minutes

• 9 hours and 30 minutes

Tags

CCSS.4.MD.A.1

How many minutes are left after converting 549 minutes into 9 hours?

• 15 minutes

• 9 minutes

• 5 minutes

• 20 minutes

Tags

CCSS.3.MD.A.1

What is the importance of visualizing hours and minutes on a timeline?

• To make calculations faster

• To better understand the conversion

• To avoid using a calculator

• To memorize the conversion

What fraction of an hour is 9 minutes?

• 1/6

• 1/5

• 3/20

• 1/4

How can 9/60 be simplified?

• 1/6

• 2/15

• 3/20

• 1/5

What is the decimal equivalent of 3/20?

• 0.30

• 0.25

• 0.20

• 0.15

Tags

CCSS.5.MD.A.1

What is the final equivalent of 549 minutes in hours and minutes?

• 9 hours and 3/20 minutes

• All of the above

• 9 hours and 15/100 minutes

• 9 hours and 9/60 minutes

Tags

CCSS.5.MD.A.1