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三位数乘一位数珠算

三位数乘一位数珠算. 学习目标：. 1.掌握三位数乘一位数的珠算乘法，能较熟练正确地进行计算。. 2.在有趣的活动中，让学生获得成功的体验，进一步增强对珠心算学习兴趣。. 学习过程：. 1.激趣引入，复习旧知。. 2.创设情境，学习新知。. 3.游戏活动，巩固知识。. 珠译数. 数译珠. 45 46 94 17 33. 80 78 57 14 11. 90 82 -97 94

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三位数乘一位数珠算

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  1. 三位数乘一位数珠算 学习目标： 1.掌握三位数乘一位数的珠算乘法，能较熟练正确地进行计算。 2.在有趣的活动中，让学生获得成功的体验，进一步增强对珠心算学习兴趣。 学习过程： 1.激趣引入，复习旧知。 2.创设情境，学习新知。 3.游戏活动，巩固知识。

  2. 珠译数 数译珠

  3. 45 46 94 17 33 80 78 57 14 11 90 82 -97 94 -19 55 80 62 31 27 90 73 29 52 -50 看心算 235 240 150 194 255

  4. 珠算2位×1位 074 37×2＝ 28×2＝ 056 31×3＝ 093 94×3＝ 282 40×3＝ 120 37×2＝ 074 75×6＝ 450

  5. 345本 5个这样的书架一共有多少本书？

  6. 657×3＝ 1,971

  7. 246×3＝ 0,738

  8. 187×2 733×6 343×4 125×8 4398 1000 1372 0,374 324×6 447×3 236×4 725×3 463×2

  9. 我一定会回来的……

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