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,*,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,二级,三级,四级,五级,*,二年级数学上册第6单元,8的乘法口诀,二年级数学上册第6单元8的乘法口诀,1,和我跳一跳，你发现了什么？填一填。,0,8,16,第二关：,和我跳一跳，你发现了什么？填一填。0816第二关：,2,8,1个8,81个8,3,1个8,8,16,2个8,1个88162个8,4,1个8,2个8,16,8,24,3个8,1个82个8168243个8,5,1个8,2个8,16,8,3个8,24,32,4个8,1个82个81683个824324个8,6,1个8,2个8,16,8,3个8,24,4个8,32,40,5个8,1个82个81683个8244个832405个8,7,8,16,24,32,40,1个8,2个8,3个8,4个8,5个8,48,6个8,8162432401个82个83个84个85个8486个8,8,8,16,24,32,40,48,1个8,2个8,3个8,4个8,5个8,6个8,56,7个8,816243240481个82个83个84个85个86个85,9,8,16,24,32,40,48,56,1个8,2个8,3个8,4个8,5个8,6个8,7个8,64,8个8,81624324048561个82个83个84个85个86个,10,一只螃蟹八条腿,两只螃蟹（十六）条腿,三只螃蟹（二十四）条腿,四只螃蟹（三十二）条腿,五只螃蟹（四十）条腿,六只螃蟹（四十八）条腿,七只螃蟹（五十六）条腿,八只螃蟹（六十四）条腿,一只螃蟹八条腿,11,谁来猜一猜8的乘法口诀有几句？,它们分别是哪几句？,想一想,谁来猜一猜8的乘法口诀有几句？它们分别是哪几句？想一想,12,背一背,一八得八,18=8,二八十六,28=16,三八二十四,38=24,四八三十二,48=32,五八四十,58=40,六八四十八,68=48,七八五十六,78=56,八八六十四,88=64,背一背一八得八 1,13,对口令,男生和女生比一比,齐背,对口令男生和女生比一比齐背,14,练习题,人教版二年级上册数学8的乘法口诀ppt课件,15,8,16,0,24,32,40,填一填,8160243240填一填,16,小兔子采蘑菇,18,83,84,58,68,88,78,小兔子采蘑菇18838458688878,17,82=,83=,81=,87=,86=,88=,84=,85=,82=83=81=87=86=88=84=,18,82=,83=,81=,87=,86=,88=,84=,85=,8,82=83=81=87=86=88=84=,19,82=,16,83=,81=,87=,86=,88=,84=,85=,82=1683=81=87=86=88=8,20,82=,83=,81=,87=,86=,88=,84=,85=,24,82=83=81=87=86=88=84=,21,82=,83=,81=,87=,86=,88=,84=,85=,32,82=83=81=87=86=88=84=,22,82=,83=,81=,87=,86=,88=,84=,85=,40,82=83=81=87=86=88=84=,23,82=,83=,81=,87=,86=,88=,84=,85=,48,82=83=81=87=86=88=84=,24,82=,83=,81=,87=,86=,88=,84=,85=,56,82=83=81=87=86=88=84=,25,82=,83=,81=,87=,86=,88=,84=,85=,64,82=83=81=87=86=88=84=,26,83=,24,83=24,27,87=,56,87=56,28,85=,40,85=40,29,84=,32,84=32,30,88=,64,88=64,31,82=,16,82=16,32,86=,48,86=48,33,看口诀说出两个乘法算式,四八三十二,三八二十四,八八六十四,一八得九,六八四十八,二八十六,五八四十,七八五十六,18=,8,81=,8,28=,16,82=,16,38=,24,83=,24,48=,32,84=,32,58=,40,85=,40,68=,48,86=,48,78=,56,87=,56,88=,64,看口诀说出两个乘法算式四八三十二三八二十四 八八六十四,34,一 八,二 八,三 八,四 八,五 八,六 八,七 八,八 八,得八,十六,二十四,三十二,四十,四十八,五十六,六十四,一 八 二 八,35,8 ()=(),()8 =(),我会思考.,8 ()=(,36,1,、,Genius only means hard-working all ones life,.(Mendeleyer,Russian Chemist),天才只意味着终身不懈的努力。,20.8.58.5.202011:0311:03:10Aug-2011:03,2,、,Our destiny offers not only the cup of despair,but the chalice of opportunity.,(Richard Nixon,American President),命运给予我们的不是失望之酒，而是机会之杯。二二年八月五日,2020,年,8,月,5,日星期三,3,、,Patience is bitter,but its fruit is sweet.,(Jean Jacques Rousseau,French thinker),忍耐是痛苦的，但它的果实是甜蜜的。,11:038.5.202011:038.5.202011:0311:03:108.5.202011:038.5.2020,4,、,All that you do,do with your might;things done by halves are never done right.,-R.H.Stoddard,American poet,做一切事都应尽力而为，半途而废永远不行,8.5.20208.5.202011:0311:0311:03:1011:03:10,5,、,You have to believe in yourself.Thats the secret of success.,-Charles Chaplin,人必须相信自己，这是成功的秘诀。,-Wednesday,August 5,2020August 20Wednesday,August 5,20208/5/2020,6,、,Almost any situation-good or bad-is affected by the attitude we bring to.,-Lucius Annaus Seneca,差不多任何一种处境,-,无论是好是坏,-,都受到我们对待处境态度的影响。,11,时,3,分,11,时,3,分,5-Aug-208.5.2020,7,、,Although the world is full of suffering,it is full also of the overcoming of it.,-Hellen Keller,American writer,虽然世界多苦难，但是苦难总是能战胜的。,20.8.520.8.520.8.5,。,2020,年,8,月,5,日星期三二二年八月五日,8,、,For man is man and master of his fate.-,-Tennyson,人就是人，是自己命运的主人,11:0311:03:108.5.2020Wednesday,August 5,2020,9,、,When success comes in the door,it seems,love often goes out the window.-,-Joyce Brothers,成功来到门前时，爱情往往就走出了窗外。,11:038.5.202011:038.5.202011:0311:03:108.5.202011:038.5.2020,10,、,Life is measured by thought and action,not by time.,Lubbock,衡量生命的尺度是思想和行为，而不是时间。,8.5.20208.5.202011:0311:0311:03:1011:03:10,11,、,To make a lasting marriage we have to overcome self-centeredness.,要使婚姻长久，就需克服自我中心意识。,Wednesday,August 5,2020August 20Wednesday,August 5,20208/5/2020,12,、,Treat other people as you hope they will treat you.,你希望别人如何对待你，你就如何对待别人。,11,时,3,分,11,时,3,分,5-Aug-208.5.2020,13,、,To do whatever needs to be done to preserve this last and greatest bastion of,freedom.,(Ronald Reagan,American President),为了保住这最后的、最伟大的自由堡垒，我们必须尽我们所能。20.8.520.8.5,Wednesday,August 5,2020,14,、,Where there is a will,there is a way.,(Thomas Edison,American inventor),有志者，事竟成。11:01:1911:01:1911:01,8/5/2020 11:01:19 AM,15,、,Every man is the master of his own fortune.,-Richard Steele,每个人都主宰自己的命运。20.8.511:01:1911:01,Aug-205-Aug-20,16,、,As selfishness and complaint cloud the mind,so love with its joy clears and sharpens the vision.,-Helen Keller,自私和抱怨是心灵的阴暗，愉快的爱则使视野明朗开阔。11:01:1911:01:1911:01,Wednesday,August 5,2020,17,、,Do not,for one repulse,give up the purpose that you resolved to effect.,-Willian Shakespeare,British dramatist,不要只因一次失败，就放弃你原来决心想达到的目的。20.8.520.8.511:01:1911:01:19,August 5,2020,18,、,There is no absolute success in the world,only constant progress.,世界上的事没有绝对成功，只有不断的进步。2020年8月5日星期三上午11时1分19秒11:01:1920.8.5,19,、,Nothing is more fatal to happiness than the remembrance of happiness.,没有什么比回忆幸福更令人痛苦的了。2020年8月上午11时1分20.8.511:01,August 5,2020,20,、,No man is happy who does not thin