内容正文:
解决问题
四 毫米和千米
课后作业
探索新知
课堂小结
当堂检测
认识速度并解决问题
1
课堂探究点
2
课时流程
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五一劳动节放假期间,红红爸爸开车带全家从石家庄到承德游览避暑山庄。上午8时出发,下午3时到达。汽车平均每小时行驶多少千米?
探究点 认识速度并解决问题
15-8=7(时)
7-1=6(时)
540÷6=90(千米)
答:汽车平均每小时行驶90千米。
小试牛刀
1.填一填。
(1)一个苹果重40( )
(2)汽车( )叫做速度。
(3)一台桌子重20( )
每小时行驶的路程
kg
g