Guided Lessons

# Pizza Time: Half Hour

Explore time by introducing time on the half hour. Using the example of a whole pizza verses half a pizza, this lesson will make your students hungry to learn more.

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Students will be able to write and tell time on the half hour using an analog clock.

(10 minutes)
• Call the students together as a group.
• Show students an analog clock set on the hour.
• Ask the students to identify the time.
• Tell students that one hour can be split in half to create a half hour.
(10 minutes)
• Draw a whole pepperoni pizza on the whiteboard.
• Reiterate that in order to share the pizza equally with two people, it must be cut in half equally.
• Draw a dashed line vertically down the middle of the pizza.
• Draw an analog clock next to the pizza.
• Ask the students to count from 1 to 12 as you write the numbers on the clock.
• Place the hour hand, or the shorter hand, on the clock half way between 1 and 2.
• Place the minute hand, or the longer hand, on the clock directly pointing at 6.
• Tell the students that the minute hand is always on the 6 for the half hour.
• Tell the students that the clock says one thirty.
• Tell the students that one thirty is between 1 o'clock and 2 o'clock.
• Demonstrate on an analog clock what 1 o'clock, one thirty, and 2 o'clock look like.
• Ask the students what two thirty looks like.
• Continue around the clock until all half hours have been demonstrated.
(10 minutes)
• Provide the students with a white precut circle of construction paper that has a dashed line halfway through the circle.
• Ask the students to color one half of the circle red.
• Ask the students to color over that same half of the circle yellow.
• Provide the students will precut small red circles and glue.
• Have the students glue the red circles on top of the colored half of the circle.
• Tell students they have created half of a pizza.
• Give students plastic or paper clock manipulatives.
• Write the following times (10:30, 4:30, 6:30, 2:30, and 12:30) on the whiteboard one at a time.
• Call out the time, and ask the students to show the time on their clocks.
• Walk around the classroom observing the time on each student's clock.
(10 minutes)
• Give each student the On The Half Hour: Telling Time With Malcolm Mouse worksheet.
• Read the instructions to the students.
• Have the students complete the worksheet.
• Collect the worksheet for grading.
• Enrichment: Provide students with the Time to the Half Hour (IV) worksheet.
• Support: Provide students with the Draw the Half Hour worksheet. The minute hand is already on 6. Instruct your students to draw the missing hour hand on each clock.
(5 minutes)
• Randomly give each student a time on the half hour.
• Ask the student to show it on the clock.
• Ask the student to write the same time on a sheet of paper.
• Give immediate feedback to the student.
(5 minutes)
• Ask the students to verbally give examples of telling time on the half hour.