Video
Supplements: Time
Think Time!
Overview
This lesson on elapsed time can be done with groups as
a classroom assignment or as a game using the PowerPoint
presentation provided. It is differentiated in that problems
become exceedingly more difficult and the teacher can assign
different sets of problems to different groups of students.
Outcome
Students will improve their ability to compute time.
Standards
Addressed — Mathematics
Grade 3
Measurement Units, Benchmark E
03. Tell time to the nearest minute and find elapsed
time using a calendar or a clock.
Materials
Classroom Assignment
-
Divide the students
into groups.
-
Problems get more difficult as you proceed
down the page. You can differentiate by giving
some groups the
easier and some the more difficult
problems.
-
Give a specific time limit (depending
on your group of students) and then
have the students
explain or
demonstrate their answers to the class.
PowerPoint
Game
-
Divide the class into teams and give
one bell to each team.
-
Begin the PowerPoint
presentation “Think
Time.”
-
The
first group to ring the bell gets to answer and
explain its solution. If
they answer
correctly,
their
team gets a point. If they are incorrect,
another team can ring
the bell and give an answer.
Evaluation
Evaluation can be done using the correctness
of the answer as well as the explanation.
Correct answers:
-
One hour
-
Noon
-
5:30 p.m.
-
8 a.m.
-
4:15 p.m.
-
1 p.m.
-
Six hours
-
1:55 p.m.
-
45 minutes
-
17 hours
-
Two hours and 45 minutes
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