Division: the clock face, do you have? Up Zhiyi Zhi! (Please pupils to come to Zhiyi Zhi)
Teachers: how to clearly separate them 呀? (Students answer)
Teachers: This is called long thin minute hand, fat is called a short clock, has been walking a particularly small second hand. Children was able to set clear? In their own bell surface Zhiyi Zhi! (Student Activities)
Also found what?
B, Digital
Students: There are 12 digits.
Teachers: There are 12 numbers of the clock lifted! You can come Zhi Yizhi do? (Please students up Zhiyi Zhi)
Teachers: Some bell did not figure? So where do they hide? Up Zhiyi Zhi! (Students take minutes to Zhiyi Zhi)
Shi: Zhong surface of 12 the number of the clock face divided into 12 equal to a large grid, we have together count.
Teachers: So what needle surface clock to go? (Students answer)
4 Summary: Children found so much knowledge, really great! We hear how the grandfather clock say. Switch to the computer (voice-over: I have found there are 12 numbers, our family has three brothers, oldest clock and her younger brother the minute hand, youngest seconds.)