Elapsed Time Challenges for 3rd Graders

What are the three key components to look for in elapsed time word problems?

• Start time, Elapsed time, End time

• Duration, Distance, Direction

• Beginning, Middle, Conclusion

• Hours, Minutes, Seconds

Tags

CCSS.3.MD.A.1

What does the start time represent in elapsed time problems?

• The midpoint of an event

• The time when an event begins

• The time when an event finishes

• The total time taken for an event

Tags

CCSS.3.MD.A.1

What does the end time indicate in elapsed time problems?

• When the event concludes

• The midpoint of the event

• The start of the event

• The duration of the event

Tags

CCSS.3.MD.A.1

What is the main goal when solving elapsed time problems?

• To find the difference in time between two events

• To learn how to read a clock

• To practice addition and subtraction

• To memorize time tables

Tags

CCSS.3.MD.A.1

How many minutes passed between Peggy leaving for and returning from the grocery store?

• 25 minutes

• 27 minutes

• 30 minutes

• 20 minutes

Tags

CCSS.3.MD.A.1

Which strategy involves breaking down time into smaller chunks to calculate elapsed time?

• Analog clock method

• Digital clock method

• Number line method

• T-chart method

Tags

CCSS.3.MD.A.1

What is the purpose of using hops on a number line when calculating elapsed time?

• To confuse the learner

• To demonstrate addition skills

• To simplify the calculation by breaking it into manageable parts

• To increase the total time

Tags

CCSS.3.MD.A.1

Why do we not count to 60 minutes when calculating elapsed time on a clock?

• Because clocks only show up to 59 minutes

• Because it's easier to calculate with smaller numbers

• Because time stops at 59 minutes

• Because 60 minutes is equal to 1 hour and the clock starts over

Tags

CCSS.4.MD.A.1

In the T-chart strategy, why do we sometimes switch from adding tens to adding ones?

• To make the calculation more complex

• To use up extra time

• To practice different types of addition

• To adjust for minutes exceeding 59

Tags

CCSS.4.MD.A.2

How long was Michael's bike ride?

• 20 minutes

• 25 minutes

• 30 minutes

• 29 minutes

Tags

CCSS.3.MD.A.1