Elapsed Time Problem-Solving Techniques

The video tutorial explains how to calculate elapsed time using an open number line. It provides examples of determining the duration of reading and a piano lesson by breaking down time into manageable segments. The tutorial emphasizes understanding time conversion and addition to find elapsed time effectively.

How long did Mr. Boyd read?

• 2 hours

• 1 hour and 23 minutes

• 1 hour and 30 minutes

• 83 minutes

What is the purpose of using an open number line?

• To subtract numbers

• To multiply numbers

• To calculate elapsed time

• To add numbers

What was the start time of Mr. Boyd's reading session?

• 10:00 a.m.

• 10:20 a.m.

• 11:20 a.m.

• 11:00 a.m.

How many minutes are in an hour?

• 90 minutes

• 60 minutes

• 45 minutes

• 30 minutes

What mathematical operation is primarily used to calculate elapsed time?

• Subtraction

• Multiplication

• Addition

• Division

Why is it important to understand elapsed time?

• To calculate distances

• To cook recipes

• To measure speed

• To schedule events

What time did Mr. Boyd's piano lesson start?

• 4:00 p.m.

• 4:15 p.m.

• 4:30 p.m.

• 4:45 p.m.

How long was the piano lesson?

• 75 minutes

• 60 minutes

• 45 minutes

• 30 minutes

What is the end time of the piano lesson?

• 5:20 p.m.

• 5:15 p.m.

• 5:10 p.m.

• 5:05 p.m.

How many jumps of 10 minutes were made to calculate the piano lesson's end time?

• Four jumps

• Three jumps

• Six jumps

• Five jumps