基数词和序数词课件 人教版英语七年级上册

hundred thousand
基数词写法注意：
2、12、20 3、13、30 4、14、40(40没有字母u) 5、15、50 8、18、80
2 two 12 twelve 20 twenty
4 four 14 fourteen
40 forty
3 three 13 thirteen
30 thirty
There are eleven people in the picture. The first person is very busy.
第一集团：0到 12 第二集团：13到19
第三集团：整十数字2090 第四集团：几十几
基数词写法“小集团” 第五集团：百和千
0~12
zero one two three four five six seven eight nine ten eleven twelve
基数词变序数词规律
1,2,3 特殊记； 加th从4起； 8少t，9去e； f要把遇到几十几， 只变个位就可以。
1,2,3 特殊记
加th从4起
8少t，9去e f要把ve替 ty变成tie,(再加th) 要是遇到几十几, 只变个位就可以
基数词
1 one 2 two 3 three
13~19
整十数字 （20~90）
几十几
百和千
thirteen fourteen fifteen sixteen seventeen eighteen nineteen
twenty thirty forty fifty sixty seventy eighty ninety
twenty-one thirty-two forty-three fifty-four sixty-five seventy-six eight-seven ninety-eight
8th eighth 9th ninth
5th fifth 12th twelfth
20th twentieth 40th fortieth
31st thirty-first 53rd fifty-third
序数词用法注意：
序数词前面通常要加定冠词the；
序数词前面形容词性物主代词、指示 代词或名词所有格时，不加the；
5 five 15 fifteen
50 fifty
8 eight 18 eighteen
80 eighty
➢ 对物品的数量提问，根据名词的数，有两种问法： How many + 可数名词复数
+... ?
How much + 不可数名词
+ .你.. ？有几顶帽子？ How many hats do you have?
4 four 6 six 7 seven
8 eight 9 nine
5 five 12 twelve
20 twenty 40 forty
31 thirty-one 53 fifty-three
序数词
1st first 2nd second 3rd third
4th fourth 6th sixth 7th seventh
你想要多少面包？ How much bread do you want?
基数词·小练习：
1. Danny is ____ei_g_ht____(8) years old. He is in Class ____th_r_ee____(3),
Grade ____f_ou_r____(4).
2. There are ___fi_ft_y-_fi_ve___(55) students in my class. 3. There are __tw_e_n_ty_-_si_x __ letters(字母) in the alphabet(字母表). 4. There are ____se_v_e_n___ days in a week. 5. There are ___t_w_e_lv_e___ months in a year. 6. I have ____fo_r_ty____(40) toy cars. 7. Seven and four is ___e_le_v_en____. 8. About ___th_r_ee__hu_n_d_re_d____(300) books are in the bookcase. 9. Tom has ___th_ir_te_e_n___(13) volleyballs and ____tw_e_lv_e___(12) dictionaries. 10. I can see ___th_ir_ty_-s_e_ve_n___(37) monkeys in the zoo.
序数词·小练习：
1. February is the ___se_c_o_nd____ month of a year. 2. In the test, everyone wants to be the ____f_ir_st____(第一名). 3. My birthday is on the ____fi_ft_h ____(第五) of May. 4. Today is my ___tw__el_ft_h___(第十二) birthday. 5. Children’s Day is on June the ____f_ir_st____. 6. September is the ____n_in_th____ month of a year. 7. Father’s Day is on the ____th_ir_d____(第三) Sunday of June. 8. This Saturday is my mother’s _f_o_rt_y-_se_c_o_nd__(第四十二) birthday. 9. Our music room is on the ___e_i_gh_th____(第八) floor. 10. J.K. Rowling finished her ____s_ix_th____(第六) novel when she was forty.
序数词用来表示编号、顺序，放在名
词前面——第12楼 the twelfth floor；
表示“页码”用基数词——
第21页 page 21
表示编号时既可 以用序数词，也可 以用基数词。用基 数词表示编号时， 基数词在名词之后， 且首字母都要大写， 不加冠词。
第九课 ①the ninth lesson ②Lesson Nine