Time Calculation and Interpretation

The video tutorial explains how to determine the time Chris needs to leave to be home by 6:15, given a 39-minute travel time. It uses a timeline to visualize the problem, explains the concept of 'a quarter after six,' and performs step-by-step calculations to find the departure time of 5:36.

If Chris needs to be home by a quarter after six and the trip takes 39 minutes, what time should he leave?

• 6:00

• 6:15

• 5:45

• 5:36

Tags

CCSS.5.G.A.2

What is the purpose of drawing a timeline from 5 to 7 o'clock?

• To find the shortest route

• To measure the speed

• To visualize the time intervals

• To calculate the distance

Tags

CCSS.3.MD.A.1

What does 'a quarter after six' mean in terms of time?

• 6:00

• 6:30

• 6:15

• 6:45

Tags

CCSS.4.MD.A.1

How many minutes are there in a quarter of an hour?

• 25 minutes

• 20 minutes

• 15 minutes

• 10 minutes

Tags

CCSS.3.MD.A.1

If Chris needs to leave 39 minutes before 6:15, how many minutes before 6:00 does he need to leave?

• 15 minutes

• 30 minutes

• 24 minutes

• 39 minutes

Tags

CCSS.3.MD.A.1

What is the time 24 minutes before 6 o'clock?

• 5:45

• 5:36

• 5:24

• 5:50

Tags

CCSS.3.MD.A.1

How do you calculate the time 39 minutes before 6:15?

• Add 39 to 6:15

• Subtract 15 from 6:15, then subtract 24 from 6:00

• Add 15 to 6:15, then add 24 to 6:00

• Subtract 39 from 6:15

Tags

CCSS.3.MD.A.1

What is the equivalent of 24 minutes before 6 o'clock in terms of minutes after 5 o'clock?

• 40 minutes

• 36 minutes

• 30 minutes

• 24 minutes

Tags

CCSS.2.NBT.B.5

How do you calculate 60 minus 24?

• Subtract 10, then subtract 14

• Subtract 20, then subtract 4

• Subtract 40, then add 16

• Subtract 30, then add 6

Tags

CCSS.3.MD.A.1

What is the final time Chris should leave to be home by a quarter after six?

• 5:30

• 5:50

• 5:36

• 5:45

Tags

CCSS.3.MD.A.1