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活动目的 1.在操作活动中感知物体粗细,获得感性认识。 2.用目测等多种测量方法比较物体的粗细,并能用语言正确表达。 3.培养探索意识和手脑并用的能力。 活动准备 教具:粗细相差很大和不大的纸棒各两根;长短相同的纸条两根。学具:人手一个牙膏盒(盒上挖有两个大小不同的小洞),两根粗细不同的纸棒,一个细花环以及一个装学具的盘子。 活动过程
Purpose 1. To perceive the thickness of the object in the operation, obtain perceptual knowledge. 2. With visual methods and other measurement methods to compare the thickness of the object, and can use language to correctly express. 3. Develop the ability to explore and use your brain. Activities to prepare teaching aids: the difference between very large and small paper stick each two; the same length of the two notes. Stuff: a manual toothpaste box (box digging two different sizes of holes), two different thickness of the paper sticks, a fine wreath and a plate with instruments. activity procedure