还剩2页未读，
继续阅读
所属成套资源：人教版Goforit八年级下册英语教案
成套系列资料，整套一键下载
UNIT 7 Period 3 （Section B 1a-1d）教案
展开
这是一份UNIT 7 Period 3 （Section B 1a-1d）教案，共4页。
Period 3 （Section B 1a-1d）设计说明 在教本课时内容时，首先将课本1a中的两幅图画投影到大屏幕上，让学生们就所列数字进行提问，及时复习如何表达量，自然导入本课的重点——倍数的表达。鼓励学生以小组合作的方式提问并写出尽可能多的句子。在合作中可以激发学生的参与意识，培养他们的合作能力。本节课的另一个难点是小数的读法。在听之前，先将1b所列数字呈现在黑板或大屏幕上，帮助学生读出所列数字，为下一步的听力排除障碍。为了让学生更好地掌握听力内容，在完成1c任务之后，增加一个信息表格。在学生完成表格之后，后面的练习是就表格所列事实进行比较，达到语言输出的目的。教学目标 1. 知识目标 （1）掌握单词和短语：cm （= centimeter/centimetre），weigh，birth，adult；at birth，up to。 （2）掌握句型：①This elephant weighs many times more than this panda. ②At birth，a baby panda is about 0. 1 to 0. 2 kilos. ③At birth，a baby panda is about 15 cm long. ④A panda can live up to 20 to 30 years. 2. 能力目标 （1）能够掌握课文中出现的重点句子，学会表达事物之间的倍数关系。 （2）熟悉量的表达，尤其是小数点的正确读法。 3. 情感目标 通过对大象和大熊猫的了解，激发学生对野生动物的关爱之情，培养保护环境的意识。重点难点 1. 重点： （1）熟悉量的表达，尤其是小数点的正确读法。 （2）学会更多表示比较的句式，如倍数的表达等。 2. 难点： 学会更多表示比较的句式，如倍数的表达等。教学准备 多媒体课件，录音机，磁带。教学过程 Step 1 Check the homework 1. Retell the passage on Page 51. 2. Complete the words according to the Chinese meaning. （1）重量是……；称……的重量：we igh （2）出生；诞生：bi rth （3）adj. 成年的；成人的 n. 成人；成年动物：adult 3. Translate the following phrases. （1）出生时：at birth （2）到达（某数量、程度等）；至多有；不多于：up to Step 2 Warming up （Show the questions on the screen.）Discuss the following questions. Students can add more questions. What’s the biggest animal in the sea? What’s the biggest animal on land? What’s the smallest animal in the world? What’s the most famous animal in China? Step 3 Presentation a baby panda an adult panda Use the pictures to teach the new word：adult. Step 4 Practice （1a） 1. Show the pictures on the screen. 2. Have students ask as many questions as they can. Example questions： How tall is the elephant? How heavy is the elephant? /How much does the elephant weigh? ... 3. Lead students to read the example sentence. Then have students compare facts about these two animals. They can work in groups to write as many sentences as they can. 4. Check their work. Answers will vary. Step 5 Listening 1. Work on 1b. （1）Write the numbers in the box on the blackboard，and then have students read the numbers. （2）Play the recording for the first time. Students listen and check the numbers they hear. （3）Let the students listen for the second time and check the answers. Answers：√100 √20 √0. 1 √0. 2 √150 2. Work on 1c. （1）Have students look through the sentences and predict the answers. （2）Play the recording again. Students listen and complete the sentences. （3）Check the answers. Answers：1. 0. 1，0. 2 2. 15 3. pink，teeth 4. 20，30 3. Listen and fill in the chart. 4. Take turns telling your classmates about pandas. For example： A：A baby panda cannot see. B：An adult panda weighs many times more than a baby panda. Ask several pairs to show their conversations to the class. 5. Let students use the new words to talk about their friends. 6. Let students work in groups to check each other’s answers. Step 6 Free talk Let students make their own conversations by using the new words and sentences they have learned in this lesson. Step 7 Cooperative inquiry Discuss the following language points in groups and fill in the blanks. 1. 英语中倍数的表达法 （1）倍数+形容词或副词的比较级+ than... This rope is twice longer than that one. 这根绳是那根绳的两倍长。 This car runs twice faster than that truck. 这辆小汽车的速度是那辆卡车的两倍。 （2）倍数+ as+形容词或副词的原级+ as... The plane flew ten times as high as the kite. 那架飞机的飞行高度是那个风筝的十倍。 2. 小数点的读法 （1）不满“1”的小数的读法 小数点读作point，小数点左边的零读作zero，也可不读。小数点右边的小数部分按个位数的基数词依次读出。在小数点后遇到零时，多读作字母“o”的音。例如： 0. 3：zero point three 0. 105：zero point one o five （2）整数带小数的读法 小数点左边的整数部分按整数读法读出。小数点右边的小数部分按个位数的基数词依次读出。在小数点后遇到零时，可读作字母“o”的音。例如： 5. 02：five point o two 8. 24：eight point two four Step 8 Summary In this lesson we have learned： 1. New words：cm（= centimeter/centimetre），weigh，birth，adult. 2. Phrases：at birth，up to. 3. Sentences：（1）This elephant weighs many times more than this panda. （2）At birth，a baby panda is about 0. 1 to 0. 2 kilos. （3）At birth，a baby panda is about 15 cm long. （4）A panda can live up to 20 to 30 years. 4. Compare facts about pandas and elephants. Step 9 Homework 1. Read and memorize the new words，phrases and sentences in this lesson. 2. Do a survey of your classmates and talk about your favorite animals with them. 3. Preview the new words and phrases in Section B 2a-2e. 板书设计教学反思 A baby pandaAn adult pandaWeightabout 0. 1 to 0. 2 kilosaround 100 kilosSize around 15 cm longaround 150 cm longColorpinkblack and whiteLifespan（寿命）A panda can live up to 20 to 30 years. UNIT 7 What’s the highest mountain in the world?Period 3 （Section B 1a-1d）cm（= centimeter/centimetre）weigh birthadult at birthup toThis elephant weighs many times more than this panda.At birth，a baby panda is about 0. 1 to 0. 2 kilos.At birth，a baby panda is about 15 cm long.A panda can live up to 20 to 30 years.
Period 3 （Section B 1a-1d）设计说明 在教本课时内容时，首先将课本1a中的两幅图画投影到大屏幕上，让学生们就所列数字进行提问，及时复习如何表达量，自然导入本课的重点——倍数的表达。鼓励学生以小组合作的方式提问并写出尽可能多的句子。在合作中可以激发学生的参与意识，培养他们的合作能力。本节课的另一个难点是小数的读法。在听之前，先将1b所列数字呈现在黑板或大屏幕上，帮助学生读出所列数字，为下一步的听力排除障碍。为了让学生更好地掌握听力内容，在完成1c任务之后，增加一个信息表格。在学生完成表格之后，后面的练习是就表格所列事实进行比较，达到语言输出的目的。教学目标 1. 知识目标 （1）掌握单词和短语：cm （= centimeter/centimetre），weigh，birth，adult；at birth，up to。 （2）掌握句型：①This elephant weighs many times more than this panda. ②At birth，a baby panda is about 0. 1 to 0. 2 kilos. ③At birth，a baby panda is about 15 cm long. ④A panda can live up to 20 to 30 years. 2. 能力目标 （1）能够掌握课文中出现的重点句子，学会表达事物之间的倍数关系。 （2）熟悉量的表达，尤其是小数点的正确读法。 3. 情感目标 通过对大象和大熊猫的了解，激发学生对野生动物的关爱之情，培养保护环境的意识。重点难点 1. 重点： （1）熟悉量的表达，尤其是小数点的正确读法。 （2）学会更多表示比较的句式，如倍数的表达等。 2. 难点： 学会更多表示比较的句式，如倍数的表达等。教学准备 多媒体课件，录音机，磁带。教学过程 Step 1 Check the homework 1. Retell the passage on Page 51. 2. Complete the words according to the Chinese meaning. （1）重量是……；称……的重量：we igh （2）出生；诞生：bi rth （3）adj. 成年的；成人的 n. 成人；成年动物：adult 3. Translate the following phrases. （1）出生时：at birth （2）到达（某数量、程度等）；至多有；不多于：up to Step 2 Warming up （Show the questions on the screen.）Discuss the following questions. Students can add more questions. What’s the biggest animal in the sea? What’s the biggest animal on land? What’s the smallest animal in the world? What’s the most famous animal in China? Step 3 Presentation a baby panda an adult panda Use the pictures to teach the new word：adult. Step 4 Practice （1a） 1. Show the pictures on the screen. 2. Have students ask as many questions as they can. Example questions： How tall is the elephant? How heavy is the elephant? /How much does the elephant weigh? ... 3. Lead students to read the example sentence. Then have students compare facts about these two animals. They can work in groups to write as many sentences as they can. 4. Check their work. Answers will vary. Step 5 Listening 1. Work on 1b. （1）Write the numbers in the box on the blackboard，and then have students read the numbers. （2）Play the recording for the first time. Students listen and check the numbers they hear. （3）Let the students listen for the second time and check the answers. Answers：√100 √20 √0. 1 √0. 2 √150 2. Work on 1c. （1）Have students look through the sentences and predict the answers. （2）Play the recording again. Students listen and complete the sentences. （3）Check the answers. Answers：1. 0. 1，0. 2 2. 15 3. pink，teeth 4. 20，30 3. Listen and fill in the chart. 4. Take turns telling your classmates about pandas. For example： A：A baby panda cannot see. B：An adult panda weighs many times more than a baby panda. Ask several pairs to show their conversations to the class. 5. Let students use the new words to talk about their friends. 6. Let students work in groups to check each other’s answers. Step 6 Free talk Let students make their own conversations by using the new words and sentences they have learned in this lesson. Step 7 Cooperative inquiry Discuss the following language points in groups and fill in the blanks. 1. 英语中倍数的表达法 （1）倍数+形容词或副词的比较级+ than... This rope is twice longer than that one. 这根绳是那根绳的两倍长。 This car runs twice faster than that truck. 这辆小汽车的速度是那辆卡车的两倍。 （2）倍数+ as+形容词或副词的原级+ as... The plane flew ten times as high as the kite. 那架飞机的飞行高度是那个风筝的十倍。 2. 小数点的读法 （1）不满“1”的小数的读法 小数点读作point，小数点左边的零读作zero，也可不读。小数点右边的小数部分按个位数的基数词依次读出。在小数点后遇到零时，多读作字母“o”的音。例如： 0. 3：zero point three 0. 105：zero point one o five （2）整数带小数的读法 小数点左边的整数部分按整数读法读出。小数点右边的小数部分按个位数的基数词依次读出。在小数点后遇到零时，可读作字母“o”的音。例如： 5. 02：five point o two 8. 24：eight point two four Step 8 Summary In this lesson we have learned： 1. New words：cm（= centimeter/centimetre），weigh，birth，adult. 2. Phrases：at birth，up to. 3. Sentences：（1）This elephant weighs many times more than this panda. （2）At birth，a baby panda is about 0. 1 to 0. 2 kilos. （3）At birth，a baby panda is about 15 cm long. （4）A panda can live up to 20 to 30 years. 4. Compare facts about pandas and elephants. Step 9 Homework 1. Read and memorize the new words，phrases and sentences in this lesson. 2. Do a survey of your classmates and talk about your favorite animals with them. 3. Preview the new words and phrases in Section B 2a-2e. 板书设计教学反思 A baby pandaAn adult pandaWeightabout 0. 1 to 0. 2 kilosaround 100 kilosSize around 15 cm longaround 150 cm longColorpinkblack and whiteLifespan（寿命）A panda can live up to 20 to 30 years. UNIT 7 What’s the highest mountain in the world?Period 3 （Section B 1a-1d）cm（= centimeter/centimetre）weigh birthadult at birthup toThis elephant weighs many times more than this panda.At birth，a baby panda is about 0. 1 to 0. 2 kilos.At birth，a baby panda is about 15 cm long.A panda can live up to 20 to 30 years.
相关资料
更多
