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学生说明
Look at the graph of our class birthdays.
Notice how many of your classmates celebrate their birthday each month.
Click the 
button, then the 
and 
Tell something we can learn from this chart.
Click 
to move your video into the blue box.
Click 
when you finish to add to your journal.
教师备注（学生不可见）
Teacher will poll students to create a tally and number chart. Students will see the graph created by teacher. (Intended for first week of school.)
