人教版二年级上册数学《8的乘法口诀》课件.ppt

1、二年级数学上册第二年级数学上册第6 6单元单元和我跳一跳，你发现了什么？填一填。和我跳一跳，你发现了什么？填一填。0816 81个个8 1个88162个个81个8 2个8168243个个81个8 2个81683个824324个个81个8 2个81683个8244个832405个个88162432401个82个8 3个8 4个8 5个8486个个8816243240481个82个8 3个8 4个8 5个8 6个8567个个881624324048561个82个8 3个8 4个8 5个8 6个8 7个8648个个8 一只螃蟹八条腿一只螃蟹八条腿 两只螃蟹（十六）条腿两只螃蟹（十六）条腿 三只螃蟹（

2、二十四）条腿三只螃蟹（二十四）条腿 四只螃蟹（三十二）条腿四只螃蟹（三十二）条腿 五只螃蟹（四十）条腿五只螃蟹（四十）条腿 六只螃蟹（四十八）条腿六只螃蟹（四十八）条腿 七只螃蟹（五十六）条腿七只螃蟹（五十六）条腿 八只螃蟹（六十四）条腿八只螃蟹（六十四）条腿谁来猜一猜谁来猜一猜8的乘法口诀有几句？的乘法口诀有几句？它们分别是哪几句？它们分别是哪几句？一八得八一八得八 18=8 二八十六二八十六 28=16三八二十四三八二十四 38=24四八三十二四八三十二 48=32五八四十五八四十 58=40六八四十八六八四十八 68=48七八五十六七八五十六 78=56八八六十四八八六十四 88=64

3、练习题练习题8160243240填一填填一填小兔子采蘑菇小兔子采蘑菇1883845868887882=83=81=87=86=88=84=85=82=83=81=87=86=88=84=85=882=1683=81=87=86=88=84=85=82=83=81=87=86=88=84=85=2482=83=81=87=86=88=84=85=3282=83=81=87=86=88=84=85=4082=83=81=87=86=88=84=85=4882=83=81=87=86=88=84=85=5682=83=81=87=86=88=84=85=6483=2487=5685=4084=328

4、8=6482=1686=48看口诀说出两个乘法算式四八三十二四八三十二三八二十四三八二十四 八八六十四八八六十四 一八得九一八得九六八四十八六八四十八二八十六二八十六五八四十五八四十 七八五十六七八五十六18=881=828=1682=1638=2483=2448=3284=3258=4085=4068=4886=4878=5687=5688=64一 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 8 ()=()()8 =()1、Genius only means hard-working all ones life.(Mendeleye

5、r,Russian Chemist)天才只意味着终身不懈的努力。20.8.58.5.202011:0311:03:10Aug-2011:032、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 th

6、inker)忍耐是痛苦的，但它的果实是甜蜜的。11:038.5.202011:038.5.202011:0311:03:108.5.202011:038.5.20204、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8.5.20208.5.202011:0311:0311:03:1011:03:105、You have to believe in yourself.Thats the secre

7、t of success.-Charles Chaplin人必须相信自己，这是成功的秘诀。-Wednesday,August 5,2020August 20Wednesday,August 5,20208/5/20206、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-208.5.20207、Although the world is full of suffe

8、ring,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 5,20209、When success comes in the door,it seems,love often goes out

9、the window.-Joyce Brothers成功来到门前时，爱情往往就走出了窗外。11:038.5.202011:038.5.202011:0311:03:108.5.202011:038.5.202010、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。8.5.20208.5.202011:0311:0311:03:1011:03:1011、To make a lasting marriage we have to overcome self-centeredness.要使婚

10、姻长久，就需克服自我中心意识。Wednesday,August 5,2020August 20Wednesday,August 5,20208/5/202012、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-208.5.202013、To do whatever needs to be done to preserve this last and greatest bastion of freedom.(Ronald Reagan,American President

11、)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。20.8.520.8.5Wednesday,August 5,202014、Where there is a will,there is a way.(Thomas Edison,American inventor)有志者，事竟成。11:01:1911:01:1911:018/5/2020 11:01:19 AM15、Every man is the master of his own fortune.-Richard Steele每个人都主宰自己的命运。20.8.511:01:1911:01Aug-205-Aug-2016、As se

12、lfishness 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。11:01:1911:01:1911:01Wednesday,August 5,202017、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

13、决心想达到的目的。20.8.520.8.511:01:1911:01:19August 5,202018、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11:01:1920.8.519、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20.8.511:01August 5,202020、No man is happy who does not think himself so.Publilius Syrus认为自己不幸福的人就不会幸福。2020年8月5日星期三11时1分19秒11:01:195 August 202021、The emperor treats talent as tools,using their strongpoint to his advantage.君子用人如器，各取所长。上午11时1分19秒上午11时1分11:01:1920.8.5谢谢观看THE END