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二（ ）得八

复习. 二（ ）得八. 四. 二（ ）一六. 三. （ ）六一二. 二. 三（ ）得九. 三. （ ）三得六. 二. 三（ ）十二. 四. 用 2-6 的乘法口诀求商. 1. 出示动画“用 2 ～ 6 的乘法口诀求商（例 1 ）”. 做一做. 1 、 12÷2=□. 想：二（ ）十二，商是（ ）. 12÷6=□. 想： （ ）六十二，商是（ ）. 2 、 3×2=6. 2×5=10. 3×4=12. 6 ÷ 2=. 10 ÷ 2=. 12 ÷3=. 6 ÷3=.

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二（ ）得八

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  1. 复习 二（ ）得八 四 二（ ）一六 三 （ ）六一二 二 三（ ）得九 三 （ ）三得六 二 三（ ）十二 四

  2. 用 2-6 的乘法口诀求商

  3. 1 出示动画“用2～6的乘法口诀求商（例1）”

  4. 做一做 1、12÷2=□ 想：二（ ）十二，商是（ ） 12÷6=□ 想： （ ）六十二，商是（ ） 2、 3×2=6 2×5=10 3×4=12 6 ÷ 2= 10 ÷ 2= 12 ÷3= 6 ÷3= 10 ÷5= 12 ÷4= 3、

  5. 2 观看动画 5 五 五 下一步

  6. 练一练 4 四

  7. 练一练 12 ÷ 3 4 8 ÷ 2 4

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