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小学英语数词练习题

1. 基数词变序数词的规律 ：

（1）一、二、三、特殊记，词尾字母t,d,d.(first, second, third)。

（2）八减t,九去e,（eighth, ninth）, f 来把ve替。（twelfth）.

（3）单词ty作结尾，ty变成tie(twentieth).

（4）若是碰到几十几，只变个位就可以。（twenty-first） 序数词

1st first

2nd second

3rd third

4th fourth

5th fifth

6th sixth

29th twenty-ninth

7th seventh

30th thirtieth

8th eighth

31st thirty-first

9th ninth

40th fortieth

10th tenth

2. 序数词的用途

a. 用来表示时间

c. 用来表示楼层

January, February, March, April, May, June, July, August, September, October, November, December, 数词的用法：

the Fourth Lesson = Lesson Four 第四课 the sixth paragraph= paragraph six 第六段

1949年10月1日—写法： Oct..1, 1949. 读做：Oct. (the ) first, nineteen forty-nine.

2009年3月28日—写法： March 27, 2009. 读作： March, (the) twenty-seventh, two thousand and nine.

15+2=？ How much is fifteen plus two? 8-7=? How much is eight minus seven?

12×12=？ How much is twelve times twelve? 81÷9=？ How much is eighty-one divided by nine?

1/2: one-second 3/4 three-fourths, 2/5 two-fifths.

1月6日 八月七日 5月1日 4月3日 12月1日 10月1日 九月十日 2月4日

1/2 1/3 3/4 2/5 4/7 42.7 5.3 6.37 8.96

1+1=2 2+5=7 19-12=7 23-17=6

9:30 1:05 6:40 8:57 4:09 12:00

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