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一( 4 )
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欢迎. 一( 4 ). 看卡片读数 :. 学前准备:. 按顺序填数. 3. 1. 2. 4. 2. 1. 3. 5. 1. 2. 3. 4. 复习数的组成,填. 3. 2. 5. 4. 2. 4. 2. 1. 1. 2. 1. 1. 2. 3. 2. 1. 5 以内的加法. 一( 4 )黄柳晴. 3 + 1. =. 4. …. 加号. 读作: 3 加 1 等于 4. 看图说一说算式表示的意思。. 4 + 1 = 5. 看图说一说算式表示的意思。. 1 + 2 = 3. 根据题意,分松鼠.
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一( 4 )
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Presentation Transcript
欢迎 一(4)
看卡片读数: 学前准备:
按顺序填数 3 1 2 4 2 1 3 5 1 2 3 4
复习数的组成,填 3 2 5 4 2 4 2 1 1 2 1 1 2 3 2 1
5以内的加法 一(4)黄柳晴
3 + 1 = 4 … 加号 读作:3加1等于4.
看图说一说算式表示的意思。 4+1=5
看图说一说算式表示的意思。 1+2=3
3 + 2 = 5
数学书25页 做一做:1、2、
5 5
2.摆一摆,填一填。 1+3=□ 3+1=□ 4 4
发展联想 生活中有哪些还能用1+2=3来表示呢?
1+2=3 2+1=3 比一比
看图你能列出哪些算式? 1+3=4 3+1=4 2+2=4
动脑筋,想一想 里可以填几? + = 5 1+4=5 4+1=5 2+3=5 3+2=5
那只鸽子进哪个笼子? 2+3 1+1 2+2 4+1 1+2 5 3 2 4
谢谢指导! 再见!
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