Measuring Elapsed Time on a Number Line

The video tutorial teaches how to measure elapsed time using a number line. It begins with an introduction to key vocabulary, such as elapsed time, minutes, and hours. The tutorial explains how to use a number line to measure time intervals with different jumps representing hours, ten minutes, and one minute. A practice problem is provided to demonstrate the method, showing how to calculate the end time of an activity given the start time and duration.

How many seconds are there in a minute?

• 3600 seconds

• 120 seconds

• 60 seconds

• 30 seconds

Tags

CCSS.4.MD.A.1

What does 'elapsed time' refer to?

• The duration of a minute

• The time it takes for an hour to pass

• The amount of time from the start to the end of an activity

• The time displayed on a clock

Tags

CCSS.3.MD.A.1

What is the equivalent of an hour in minutes?

• 30 minutes

• 60 minutes

• 360 minutes

• 120 minutes

Tags

CCSS.4.MD.A.1

On a number line for elapsed time, what does a 'mountain' represent?

• One minute

• One second

• Ten minutes

• One hour

What symbolizes ten minutes on the elapsed time number line?

• A mountain

• A hill

• A valley

• A rock

Tags

CCSS.3.MD.A.1

How is one minute depicted on the elapsed time number line?

• As a mountain

• As a hill

• As a rock

• As a river

Tags

CCSS.3.MD.A.1

What is the first step in solving a problem involving elapsed time?

• Calculating the total minutes

• Drawing a number line

• Adding the smallest number first

• Labeling the start time on the right

Tags

CCSS.3.MD.A.1

How many 'ten minute hills' are drawn for 24 minutes?

• One

• Two

• Four

• Three

Tags

CCSS.4.MD.A.2

What is the final step in calculating elapsed time on a number line?

• Recording the new time after adding one minute rocks

• Adding the hour mountains

• Drawing the ten minute hills

• Calculating the total hours

Tags

CCSS.3.MD.A.1

If Logan started his art project at 3:10 PM and worked for 1 hour and 24 minutes, when did he finish?

• 5:10 PM

• 4:44 PM

• 4:34 PM

• 4:24 PM

Tags

CCSS.3.MD.A.1