课件14张PPT。Unit 7 How much are these pants?SectionB 1a-2cConversation
A:How much is the …?
How much are the…?
B: It’s …．
They are …．How many people are there? 11 12 13 14 15 16 17 18 19 20
21 22 23 24 25 26 27 28 29 30 31 Listen and repeat
:
:Name
the numbers!
Games与小熊赛跑17twentytwelve15thirty2623eighteen29ten eleven twelve thirteen fourteen
10 11 12 13 14
twenty-five twenty-six twenty-seven twenty-eight twenty-nine
twenty twenty-one twenty-two twenty-three twenty-four
fifteen sixteen seventeen eighteen nineteen
thirty thirty-one25 26 27 28 2920 21 22 23 2415 16 17 18 1930 311b总结规律（1）10 ten 11eleven 12 twelve
0到12记住单词
（2）13～19的基数词都以—teen结尾。
thirteen fourteen fifteen sixteen
seventeen eighteen nineteen
（3）20～90中整几十的基数词都以-ty结尾。
twenty thirty forty fifty
sixty seventy eighty ninety
（2）“几十几”的表达式： + +
forty-one 41 fifty-two 52 sixty-three 63 …整几十-个位数2aListen and circle the numbers in 1a that you hear.2bListen and circle the things in the picture that Lisa and her mom talk about. Check (∨) the things Lisa buys.∨Fill in the blanks.1. - 这双红色的袜子多少钱？
- 12美元。
＿＿＿＿＿＿＿ are the red socks?
They’re ＿＿＿＿ dollars.
2. - 那件毛衣多少钱？
- 26美元。
- ＿＿＿＿＿＿ the sweater?
-It’s ＿＿＿＿＿＿ dollars. How much
twelveHow much istwenty-sixSummary1) The numbers 10 ～ 31 and their spelling.
2) The spelling rules of the numbers 0 ～ 99.Homework 《课堂作业》
P39-40/
一、二、三
See you
