《用2~6的乘法口诀求商》ppt课件2

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,用26的乘法口诀求商ppt课件2,用26的乘法口诀求商ppt课件2,说出得数，并说出用哪句口决,6,2=,4 3=,2 5=,3 3=,说出得数，并说出用哪句口决6 2=4,填空,2 （）=4 3 （）=6,4 （）=8 （）3=12,（）4=20 5 （）=15,说一说（）里的数是用哪句口诀想出来的。,填空 2 （）=4 3 （）=64,12个桃，,每只猴子分3个，可以分给几只猴子？,12个桃，每只猴子分3个，可以分给几只猴子？,桌子上共有,12,个桃,。,猴妈妈要把这些桃分给,4只猴子,每只猴子分几个,？,你能把刚才的平均分列出除法算式吗？,桌子上共有12个桃。猴妈妈要把这些桃分给4只猴子每只猴子分几,妈妈买了15个苹果,。,平均每组几个？,可以分几组？,15,3,15,（个）,（组）,练一练,可以分3组,，,每组有5个，,妈妈买了15个苹果。平均每组几个？可以分几组？1531,183=,186=,6,3,183=186=63,根据图列出一个乘法两个除法算式,2,8,8,2,4,8,4,2,根据图列出一个乘法两个除法算式,122,164,153,42,62,183,84,246,105,205,186,44,看谁先到家,12216415342621838,122,164,153,422,62,183,84,246,105,205,186,44,122164153422621838,122,164,1535,422,62,183,84,246,105,205,186,44,122164153542262183,122,1644,1535,422,62,183,84,246,105,205,186,44,1221644153542262183,1226,1644,1535,422,62,183,84,246,105,205,186,44,1226164415354226218,1226,1644,1535,422,62,183,84,246,1052,205,186,44,1226164415354226218,1226,1644,1535,422,62,183,84,2464,1052,205,186,44,1226164415354226218,1226,1644,1535,422,62,183,842,2464,1052,205,186,44,1226164415354226218,1226,1644,1535,422,62,1836,842,2464,1052,205,186,44,1226164415354226218,1226,1644,1535,422,62,1836,842,2464,1052,205,186,441,1226164415354226218,1226,1644,1535,422,62,1836,842,2464,1052,205,1863,441,1226164415354226218,1226,1644,1535,422,62,1836,842,2464,1052,2054,1863,441,1226164415354226218,1226,1644,1535,422,623,1836,842,2464,1052,2054,1863,441,12261644153542262318,思考,：,从送信游戏中，你发现被除数和除数有什么特点，商是几，从而总结出什么结论？,被除数和除数相同商是1,思考：从送信游戏中，你发现被除数和除数有什么特点，商,2004.08,谈谈本节课的收获,2004.08 谈谈本节课的收获,感谢聆听,感谢聆听,