1、表內(nèi)除法的整理和復(fù)習(xí),義務(wù)教育課程標(biāo)準(zhǔn)教科書 二年級(jí)下冊(cè),十堰東風(fēng)51小學(xué) 羅金鳳,被除數(shù)從1開始依次加1,被除數(shù)從2開始依次加2,被除數(shù)從3開始依次加3,算式在第幾行，被除數(shù)就從幾開始依次加幾。,除數(shù)依次是19,除數(shù)依次是19,除數(shù)依次是19,除數(shù)都是1 9。,=1,=1,=1,=1,=1,=1,=1,=1,=1,=2,商都是1,=2,=2,=2,=2,=2,=2,=2,=2,商都是2,=3,=3,=3,=3,=3,=3,=3,=3,=3,商都是3,算式在第幾行，商就是幾。,被除數(shù)從1開始依次 加1,被除數(shù)從2開始依次 加2,被除數(shù)從3開始依次 加3,算式在第幾列，被除數(shù)就從幾開始依次加幾。

2、,第1列除數(shù)都 是1,第2列 除數(shù)都 是2,第3列 除數(shù)都 是3,算式在第幾列,除數(shù)就是幾。,11,22,33,44,55,66,77,88,99,21,31,41,51,61,71,81,91,42,63,84,105,126,147,168,189,62,82,102,122,142,162,182,93,123,153,183,213,243,273,124,164,204,244,284,324,364,155,205,255,305,355,405,455,186,246,306,366,426,486,546,217,287,357,427,497,567,637,248,279,

3、328,408,488,568,648,728,369,459,549,639,729,819,66,=1,=2,=3,=4,=5,=6,=7,=8,=9,商依次是 1-9,=1,=2,=3,=4,=5,=6,=7,=8,=9,商依次是 1-9,=1,=2,=3,=4,=5,=6,=7,=8,=9,商依次是 1-9,每一列商都是19,11,22,33,44,55,66,77,88,99,21,31,41,51,61,71,81,91,42,63,84,105,126,147,168,189,62,82,102,122,142,162,182,93,123,153,183,213,243,273

4、,124,164,204,244,284,324,364,155,205,255,305,355,405,455,186,246,306,366,426,486,546,217,287,357,427,497,567,637,248,279,328,408,488,568,648,728,369,459,549,639,729,819,66,=1,=2,=3,=4,=5,=6,=7,=8,=9,商依次是 19,=1,=2,=3,=4,=5,=6,=7,=8,=9,商依次是 19,每一列商都是19,=1,=1,=1,=1,=1,=1,=1,=1,=1,被除數(shù)和除數(shù)相同時(shí)，商是1。,=2,=3,=

5、4,=5,=6,=7,=8,=9,除數(shù)是1時(shí)，商和被除數(shù)相同。,287,284,11,33,44,55,66,77,88,99,22,21,31,41,51,61,71,81,91,42,63,84,105,126,147,168,189,62,82,102,122,142,162,182,93,123,153,183,213,243,273,124,164,204,244,324,364,155,205,255,305,355,405,455,186,246,306,366,426,486,546,217,287,357,427,497,567,637,248,279,328,408,488

6、,568,648,728,369,459,549,639,729,819,284,=4,=7,42=2,164=4,497,=7,819=9,11=1,93=3,255=5,366=6,648=8,三、當(dāng)堂檢測(cè),1、口算出指定算式的商，并說出用的是哪句乘法口訣。,6,3,5,9,7,8,4,369,三、當(dāng)堂檢測(cè),2、,18 6,36 9,40 8,54 9,63 9,56 7,45 5,3、,（1）30元錢一共可以買多少盒冰激凌？,（2）12元一共買了4瓶飲料，一瓶飲料多少錢？,（3）你還能提出其他用乘法或除法解決的問題并解答嗎？,3056（盒） 答：一共可以買6盒冰激凌。,1243（元） 答：一瓶飲料3元錢。,三、當(dāng)堂檢測(cè),一道除法題，除數(shù)是6，小明把被除數(shù)的十位數(shù)字和個(gè)位數(shù)字看顛倒了，結(jié)果除得的商是4，這道題正確的商