五年级下册英语---基数词和序数词(课堂PPT)课件

1、基数词1one two three four five six seven eight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one twenty-ninethirty-one thirty-nineforty-one forty-ninefifty-one fifty-ninesixty-one sixty-nineseventy-one seventy-nineeight

2、y-one eighty-nine ninety-one ninety-ninehundredLearn these numbers and find out the rules.掌握基数词的拼写。21. 112: (记住每个单词) 2. 1319: -teen (thir-, fif-, eigh-)3. 2090: -ty (twen-, thir-, for-, fif-, eigh-)4. 2199: 十位_个位5. 100900: _ hundred Summary3 汉翻英 11个英式足球 14个西红柿 23件T恤衫 28只红短袜 35顶黑帽子eleven soccer balls

3、fourteen tomatoestwenty-three T-shirtstwenty-eight red socksthirty-five black hats433个乒乓球拍45支绿色的铅笔28件棕色的毛衣57个学生35个蓝色的手表thirty-three ping-pong batsforty-five green pencilsforty-eight brown sweatersfifty-seven studentsfifty-five blue watches5序数词6 1st first 2nd second 3rd third 4th fourth 5th fifth 6th

4、 sixth 7th seventh 8th eighth 9th ninth 10th tenth11th eleventh 12th twelfth 13th thirteenth14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth Learn these numbers from first to thirty-first.719th nineteenth 20th twentieth twenti21st twenty-first 22nd twenty-second 23rd tw

5、enty-third 24th twenty-fourth 25th twenty-fifth 26th twenty-sixth 30th thirtieth :t 31st thirty-first 8one two three four five six seven eight nine tenfirst second third fourth fifth sixth seventh eighth ninth tenth 基数词序数词9eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen e

6、leventh twelfth thirteenth fourteenth fifteenth sixteenth seventeenth eighteenth nineteenth基数词序数词10twentytwenty-one twenty-two twenty-three thirty forty fifty sixty seventy eighty ninety hundredtwentiethtwenty-first twenty-second twenty-third thirtieth fortieth fiftieth sixtieth seventieth eightieth

7、 ninetieth hundredth 基数词 序数词11一.第1,第2,第3： first, second, third二.1.第4-第10： 总结：序数词的变化方法fourth, (five) fifth, sixth, seventh, (eight )eighth, (nine) ninth, tenth2.第11-第19： eleventh, (twelve) twelfth, thirteenth, fourteenth, fifteenth, sixteenth, seventeenth, eighteenth, nineteenth基数词+th基数词+th12三.第20-第9

8、0：y四.第21-第99:十位基数词个位序数词口诀：基变序, 有规律, 词尾加上th. 1 2 3 特殊记, 词尾字母t，d，d 。8 少 t , 9 去 e , f 来把 v e 替。整十变y为 ie, 后跟 th 莫迟疑。若想表示几十几，只变个位就可以。twenty twentieth thirty thirtiethtwenty one twenty first序数词的变化方法y变成ie，再加th13January Jan. 一月February Feb. 二月March Mar. 三月April Apr. 四月May May 五月June Jun. 六月七月July Jul.九月September Sep.十月October Oct.八月August Aug.十一月November Nov.十二月December Dec.1a Listen and repeat.简写形式注意：12个月份名称首字母都要大写。14 练习：快速说出下列日期的英文表达法:1. 3月12日 2. 8月1日3. 1月5日 4. 7月12 日5. 12月1日 6. 9月5 日7. 4月3日 8. 11月2日9. 2月14日 10. 5月30 日 11. 6月23日 12