(
课件网) 2025小升初 小学英语 基数词&序数词 cardinals & ordinals How many people are there in the lift 基数词 Two. 表示数目多少的数词 one two three 数目多少 6 7 8 9 10 1 2 3 4 5 one two three four five six seven eight nine ten 1-10 16 17 18 19 11 12 13 14 15 eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 11-19 13-19:以teen结尾 70 80 90 100 20 30 40 50 60 twenty thirty forty fifty sixty seventy eighty ninety one hundred 20-90 20-90:以ty结尾 73 85 96 seventy-three eighty-five ninety-six 几十几 几十几:十位和个位加连字符 34 52 69 thirty-four fifty-two sixty-nine 基数词记忆口诀 基数词要注意，一到十二逐个记； 从十三到十九，teen跟着走； thirteen，fifteen辨仔细, eighteen只有一个t； 二十到九十，ty跟着走； twenty, thirty重点记， forty, eighty分别去掉u和t； 怎么拼写几十几？ 连字符“-”连接个，十位， “and”连接百，十位。 12 6 9 3 1 2 4 5 8 7 10 11 Game time 01 twelve nine six three Game time 02 13 thirteen 18 eighteen 19 nineteen 15 fifteen 基数词 Game time 02 17 seventeen 14 fourteen 16 sixteen 10 ten 基数词 Game time 03 20 50 30 80 40 60 twenty fifty thirty eighty forty sixty PUSH PUSH thirty-seven 37 Game time 04 Next PUSH PUSH forty-three 43 Game time 04 Next PUSH PUSH sixty-six 66 Game time 04 Next PUSH PUSH one hundred and two 102 Game time 04 Next PUSH PUSH two hundred and ten 210 Game time 04 Next 基数词的用法 1.表示时间，年份，年龄 It’s seven o’clock. It’s 2022. I’m 12 years old. 2.表示数量 I have three good friends. 3.表示编号 He is in Class Three. 4.加减运算 3+3=6 Three plus three is six. 03 序数词 Which floor does he go He goes to the third floor. 表示顺序的数词 序数词用法 表示顺序的数词，表“第几” 如： 1）I live on the fourth floor. 2）Friday is the sixth day in a week . 1-10 1st first 2nd second 3rd third 4th fourth 5th fifth 6th sixth 7th seventh 8th eighth 9th ninth 10th tenth 1-10: 1,2,3特殊记，8去t，9去e; 11-20 11th eleventh 12th twelfth 13th thirteenth 14th fourteenth 15th fifteenth 16th sixteenth 17th seventeenth 18th eighteenth 19th nineteenth 20th twentieth 11-20: ve要用f替 几十 20th twentieth 30th thirtieth 40th fortieth 50th fiftieth 60th sixtieth 70th seventieth 80th eightieth 90th ninetieth 几十: 整十把y变ie加th； 几十几 21st twenty-first 35th thirty-fifth 42nd forty-second 63rd sixty-third 78th seventy-eighth 99th ninety-ninth 几十几: 只变个位就可以。 one—first two--second three--third eight--eighth nine--ninth five--fifth twelve--twelfth twenty--twentieth thirty-one--thirty-first 一二三，特殊记； 八去t，九去e； ve要用f替； 整十把y变ie加th； 遇到几十几，只变个位就可以。 序数词记忆口诀 Fast reaction! 抢答下列基数词对应的序数词。 two second Fast reaction! 抢答下列基数词对应的序数词。 three third Fast reaction! 抢答下列基数词对应的序数词。 eight eighth Fast reaction! 抢答下列基数词对应的序数词。 nine ninth Fast reaction! 抢答下列基数词对应的序数词。 twelve twelfth Fast reaction! 抢答下列基数词对应的序数词。 twenty-one twenty-first Fast reaction! ... ...
