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课件网) Unit 6 Celebrating the Big Days Grammar in use Learning Objectives 通过本课时的学习，学生能够： 在语境中理解序数词的形式、意义和使用; 在语境中理解一般现在时和现在进行时的不同语用功能。 用现在进行时改写画线句子，体会改变时态后文章内涵的变化。 理解不同时态下文本内涵的变化，发展英语语法意识和能力。通过“将已读 和已知信息建立联系”策略，引导学生运用所学语言实践，推动迁移创新。 03 Unit 6 Celebrating the Big Days Ordinal numbers Look and say. What festival is it Teachers' Day When is Teachers' Day What are the children doing It is on October 10th. They are sending flowers and gifts to the teacher. Look and say. What festival is it Dragon Boat Festival. When is the Dragon Boat Festival What are people doing It is on lunar May 5th. They are taking part in the dragon boat race. Look and say. What festival is it Tree-planting Day. When is the Tree-planting Day What are the three students doing It is on March 12th. They are planting trees. Look and say. What festival is it Mid-Autumn Festival. When is the Mid-Autumn Festival What are the people in the picture doing It is on lunar August 15th. They are eating mooncakes and enjoying the moon. Look and say. It is on October 10th. It is on lunar May 5th. It is on March 12th. It is on lunar August 15th. 序数词 Ordinal numbers Look at the pictures and read the sentences. Pay attention to the words in bold. I'm thirteen years old. This is my thirteenth birthday. Teachers' Day is on September 10th. About one hundred people are taking part in the dragon boat race. Activity 1 基数词 cardinal numbers 序数词 ordinal numbers What’s the difference between cardinal numbers and ordinal numbers Form and meaning. Definition Cardinal numbers and ordinal numbers 用来指数目或数量 例如：one 一 seven 七 forty 四十 基数词 cardinal numbers 序数词 Ordinal numbers 用来指顺序或等级 例如：first 第一 third 第三 sixtieth 第六十 second(2nd) third(3rd) first (1st) Play a game. three one two 一二三，特殊记 末尾添加 tdd seventh(7th) fourth (4th) sixth(6th) seven six Play a game. four th要从四加起 8 He is on the _____ floor. eighth 9 There are _____ people. They are on the _____ floor. ninth six 8去t, 9去e eight-eighth, nine-ninth 5 There are _____ people. They are on the _____ floor. fifth five 12 There are _____ children. They are on the _____ floor. twelfth two ve要用f来替 five-fifth, twelve-twelfth 20 The boy is on the _____ floor. twentieth 整十变y为ie， twenty—twentieth 21 They are on the _____ floor. twenty-first 若遇几十几， 只变个位就可以。 twenty-one— twenty-first Summarizing Read the rules of ordinal numbers. 一二三，特殊记，th要从四加起； 八去t，九去e，ve要用f来替； 整十变y为ie， 若遇几十几，只变个位就可以。 Pair plete the table. 1 one first 1st 15 fifteen _____ 15th 2 two second 2nd 20 twenty twentieth 20th 3 three third 3rd 21 twenty-one twenty-first 21st 4 four _____ 4th 40 forty fortieth 40th 5 five fifth 5th 50 fifty _____ 50th 8 eight _____ 8th 90 ninety ___ ... ...
