Calculating Time Saved in Travel

The video tutorial explains how Sheldon can save time by choosing an airplane over a train to travel to San Francisco. It demonstrates the process of calculating the time saved by converting hours to minutes and performing subtraction. The tutorial concludes that Sheldon saves eight hours and 46 minutes by taking the airplane.

What are the two modes of transportation Sheldon can choose from to travel to San Francisco?

• Bus and Airplane

• Car and Bus

• Train and Airplane

• Bicycle and Train

Tags

CCSS.3.MD.A.1

How long does the train journey take?

• 8 hours and 46 minutes

• 10 hours and 29 minutes

• 1 hour and 53 minutes

• 9 hours and 30 minutes

Tags

CCSS.3.MD.A.1

What is the first step in calculating the time saved by taking the airplane?

• Multiply the times

• Convert hours to minutes

• Subtract the airplane time from the train time

• Add the times together

Tags

CCSS.3.MD.A.1

Why do we need to perform an exchange when subtracting the minutes?

• Because subtraction is not possible

• Because hours cannot be converted to minutes

• Because 29 minutes is greater than 53 minutes

• Because 53 minutes is greater than 29 minutes

Tags

CCSS.4.MD.A.1

How many minutes are there in one hour?

• 45 minutes

• 90 minutes

• 60 minutes

• 30 minutes

Tags

CCSS.4.MD.A.1

After converting one hour to minutes, what is the total number of minutes?

• 29 minutes

• 53 minutes

• 89 minutes

• 60 minutes

Tags

CCSS.3.MD.A.1

What is the final time saved by taking the airplane?

• 9 hours and 15 minutes

• 7 hours and 30 minutes

• 8 hours and 46 minutes

• 10 hours and 29 minutes

Tags

CCSS.3.MD.A.1

What is the final step in determining the time saved?

• Adding the hours and minutes

• Subtracting the hours and minutes

• Multiplying the hours and minutes

• Dividing the hours and minutes

Tags

CCSS.3.MD.A.1