Mastering Multiplication and Division Word Problems

The video tutorial explores Mark's peddling speed, starting with the fact that he pedals 70 times per minute. It evaluates various estimates, such as pedaling 4,000 times per second, which is deemed impossible, and once per hour, which is too slow. The correct estimation is that Mark pedals slightly more than once per second. The video concludes by calculating that Mark pedals approximately 4,200 times per hour, confirming this as a reasonable estimate.

How many times does Mark pedal his bike in a minute?

• 60

• 90

• 70

• 80

If Mark pedals 70 times in a minute, how many times does he pedal in a second?

• Exactly once

• A little over once

• Half a time

• Twice

Is it reasonable to say Mark pedals 4,000 times every second?

• Yes

• No

• Maybe

• Not enough information

What would be the total number of pedals if Mark pedaled 4,000 times every second for a minute?

• 60

• 70

• 4,000

• 240,000

How many minutes are there in an hour?

• 60

• 45

• 90

• 30

If Mark pedals 70 times in a minute, how many times does he pedal in an hour?

• 60

• 70

• 4,000

• 4,200

Is it reasonable to say Mark pedals once every hour?

• Maybe

• Not enough information

• No

• Yes

What is the approximate rate of Mark's pedaling per second?

• Twice

• Half a time

• A little over once

• Exactly once

How do you calculate the total number of pedals in an hour if Mark pedals 70 times in a minute?

• 70 + 60

• 70 / 60

• 70 * 60

• 70 - 60

What is the exact number of times Mark pedals in an hour?

• 70

• 60

• 4,200

• 4,000