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除数是一位数的除法

除数是一位数的除法. 口算除法. 西什库小学 李凤蕾. 复习 1 、口算: 8÷4= 9÷3= 35÷5= 42÷7= 14÷2= 24÷6=. 2. 3. 7. 6. 7. 4. 2 、口答: ( 1 ) 60 里面有( )个十, 400 里面 有( )个十。 ( 2 ) 240 里面有( )个百和 ( ) 个十。. 40. 6. 2. 4. 10. 60÷3=. 20. 想:. 6 个 十 ÷3=.

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除数是一位数的除法

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  1. 除数是一位数的除法 口算除法 西什库小学 李凤蕾

  2. 复习 1、口算: 8÷4= 9÷3= 35÷5= 42÷7= 14÷2= 24÷6= 2 3 7 6 7 4 2、口答: (1)60里面有( )个十,400里面 有( )个十。 (2)240里面有( )个百和 ( )个十。 40 6 2 4

  3. 10 60÷3= 20 想: 6个十÷3= 2个十 = 20

  4. “60除以3”, 也可以读作: “60÷3”可以读作 “3除60”。 想一想:600÷3 可以怎样算?得多少? 6000÷3 得多少? =200 想:6个百÷3=2个百 =200 =2000 想:6个千÷3=2个千 =2000

  5. 100 240÷3= 80 想: 24个十÷3 = 8个十 = 80

  6. 想一想:2100÷7 可以怎样算?得多少? 4000÷5 得多少? =300 想:21个百÷7=3个百 =300 =800 想:40个百÷5=8个百 =800

  7. 口算: 80÷4= 9000÷3= 200÷5= 120÷6= 3600÷4= 4000÷8= 3000 20 20 40 500 900

  8. 购物中的数学。 新学期,学校购买办公用品。 l购买了8箱粉笔,共用240元。每箱( )元。 l购买了6把椅子,用540元。每把椅子( )元。 l购买了4组柜子,用800元。每组柜子( )元。 l购买了2台电脑,用10000元。每台电脑( )元。

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