options: Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.

Geometric measurement: understand concepts of area and relate area to multiplication and to addition.

Classify objects and count the number of objects in each category.

Relate addition and subtraction to length.

Geometric measurement: understand concepts of volume and relate volume to multiplication and to addition.

Describe and compare measurable attributes.

Geometric measurement: recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.

Geometric measurement: understand concepts of angle and measure angles.

Solve problems involving measurement and conversion of measurements from a larger unit to a smaller unit.

Represent and interpret data.

Work with time and money.

Convert like measurement units within a given measurement system.

Measure and estimate lengths in standard units.

Measure lengths indirectly and by iterating length units.

Tell and write time.
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
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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.


correct_option_index: 14