standard_description: Distinguish between defining attributes (e.g., triangles are closed and three-sided) versus non-defining attributes (e.g., color, orientation, overall size); build and draw shapes to possess defining attributes.
problem_activity: Narrative
The purpose of this activity is to connect the time shown on a digital clock with an analog clock with only the hour hand displayed. Students use the cards created in the first activity to write times in the digital format to represent each clock.
Required Materials
Materials to Gather
Materials from a previous activity
Required Preparation
Each student needs the clock cards they created in the previous activity.
Launch
Display image in student workbook.
“These clocks both show the same time. What time do they show? How do you know?” (They show 1 o’clock. The arrow is pointing to the 1. There is a 1 on the left of the written time.)
30 seconds: quiet think time
Share responses.
Activity
“On the cards you made in the first activity, write the times under each clock.”
5 minutes: independent work time
Student Facing
These clocks both show the same time.
What time do they show?
How do you know?
[IMG]
[IMG]
Student Response
Teachers with a valid work email address can
click here to register or sign in
for free access to Student Response.
Activity Synthesis
Display the card that shows 5 o’clock.
“Find your card that matches this card. What time did you write under this clock? How did you know that it shows 5:00?”
“Find the card that shows 4 o’clock. How did you know that it shows 4:00? How did you write the time?” (The arrow is pointing to the 4. 4:00)
Repeat with other cards as time permits.


aligns: no