西师版数学二年级下册金鸡小学郭乾娣学习目标:1.结合具体情境,认识余数,理解有余数的除法。2.在应用有余数的除法解决简单实际问题的过程中感受数学与生活的联系。课堂引入1.每只羊分6个,可以分给()只羊。拿出18个小圆片分一分,填一填。3课堂引入1.每只羊分6个,可以分给(3)只羊。18÷6=3(只)拿出18个小圆片分一分,填一填。3课堂引入拿出18个小圆片分一分,填一填。32.每羊只分7个,可以分给()只羊,还剩()个。课堂引入拿出18个小圆片分一分,填一填。318÷7=2(只)剩4(个)2.每只羊分7个,可以分给(2)只羊,还剩(4)个。课堂引入拿出18个小圆片分一分,填一填。318÷7=2(只)……4(个)2.每只羊分7个,可以分给(2)只羊,还剩(4)个。把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41920212223240100东部西部北部把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······52021222324把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······5202121÷7=3222324把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······52020÷7=2······62121÷7=3222324把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······52020÷7=2······62121÷7=32222÷7=3······12324把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······52020÷7=2······62121÷7=32222÷7=3······12323÷7=3······22424÷7=3······3把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······52020÷7=2······62121÷7=32222÷7=3······12323÷7=3······22424÷7=3······3······把_个圆片,每只分7个,可以分给_只?还剩_个?31818÷7=2······41919÷7=2······52020÷7=2······62121÷7=32222÷7=3······12323÷7=3······22424÷7=3······3······你发现了什么?余数必须小于除数。