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教学内容:人教版数学三至五年级教学内容。教学过程:一、复习导入师:说一说下面各数的组成。420 806 8.32生1:420是由4个百2个十组成。生2:420是由42个十组成。生3:420是由420个一组成。806.是由8个百和6个一组成。生4:8.32是由8个一3个十分之一和2个百分之一组成。生5:8.32是由8个一和32个百分之一组成。设计意图:复习数的组成,激活知识的联系,更好地为后面的练习做好铺垫。
Teaching content: PEP mathematics third to fifth grade teaching content. Teaching process: First, review the import division: Let me talk about the composition of the various numbers below. 420 806 8.32 Students 1: 420 is composed of four hundred two ten. Health 2: 420 is composed of 42 ten. Health 3: 420 is composed of 420 one. 806. It is composed of eight hundred and six. Students 4: 8.32 is composed of eight one-three tenths and two one-hundredths. Students 5: 8.32 is composed of eight one and 32 one hundredths. Design Intent: Review the composition of numbers, activate the connection of knowledge, and better pave the way for later exercises.