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教学内容:《除数是小数的除法》 教学过程概要: 一、提供背景 1.观察回答:下面各题的商相等吗?为什么? 15÷5 150÷50 1500÷500 15000÷5000 2.口算 1.5÷3 2.5÷5 4.2÷7 0.02÷2 4.8÷0.6(你会计算吗?为什
Teaching Content: “Divisor is a decimal division” Teaching Process Summary: First, to provide the background 1. Observation Answer: The following questions are the same business? Why? 15 ÷ 5 150 ÷ 50 1500 ÷ 500 15000 ÷ 5000 2. Mouth calculation 1.5 ÷ 3 2.5 ÷ 5 4.2 ÷ 7 0.02 ÷ 2 4.8 ÷ 0.6 (Do you calculate?