文档介绍：How much are these sock s? Section B(1a- 1e) Let ’ s learn more numbers. ten ele ven tw e lve seven teen four teen fif teen six teen nine teen eigh teen thir teen /θ?: (r)' t i: n/ /f I f't i: n/ twen ty thir ty for ty fif ty six ty seven ty eigh ty nine ty twenty -one twenty -two twenty -three /'t wenti / /'θ?: (r)' ti/聪明的你会总结数字规律吗? 1 one 2 two 3 three 4 four 5 five 6 six 7 seven 8 eight 9 nine 10 ten 11 eleven 12 twelve 13 thir teen 14 four teen 15 fif teen 16 six teen 17 seven teen 18 eigh teen 19 nine teen 20 twen ty 30 thir ty 40 for ty 50 fif ty 60 six ty 70 seven ty 80 eigh ty 90 nine ty 21 twenty- one 22 twenty- two 23 twenty- three 24 twenty- four 25 twenty- five 26 twenty- six 27 twenty- seven 28 twenty- eight 29 twenty- nine 1b Write a number in 1a next to the correct word below. 把 1a 中的数字写在下面对应的单词旁边。 Which two rows of numbers are in the wrong place? 哪两行数字的位置不对? ten___ eleven___ twelve___ thirteen___ fourteen___ twenty-five___ twenty-six___ twenty-seven___ twenty-eight___ twenty-nine___ twenty ___ twenty-one ___ twenty-two ___ twenty-three ___ twenty-four ___ fifteen ___ sixteen ___ seventeen ___ eighteen ___ een ___ thirty ___ thirty-one ___ 10 12 13 14 11 15 17 16 18 20 19 22 21 24 23 26 25 28 27 29 31 30 10 Let's play games! What things can you see in the picture? blue sweater white T-shirt green sweater Let ’ s talk about the prices !谈谈物品的价格! How much is the blue sweater ? It’ s 15 dollars. White T-shirt 11 green sweater 20 green hat black hat