Unit 2Amazing Numbers：Section 3Writing课件 2025-2026学年沪教版（2024）八年级英语上册

该初中英语课件聚焦“人口变化报告写作”核心知识点，从热身活动引导学生研究城市或省份人口变化切入，通过分析范文明确时间顺序、时态运用及关键年份，搭建描述数据变化的词汇（如rise、fall）、时间表达（in+年份、between...and...）和报告结构（标题、X/Y轴）等学习支架，帮助学生实现从输入到输出的过渡。 其亮点在于以任务驱动和分步指导提升语言能力与思维品质，通过真实情境任务（研究实际人口数据）和范文分析引导学生掌握报告结构与逻辑顺序，小组讨论图表信息、互评修改环节培养学习能力。例如写前分析范文时态和时间表达，写中使用模板结构，写后评价表自查，学生能学会用英语有条理地表达数据变化，教师可借助清晰步骤高效开展写作教学。

Writing a report on population change Warm-up What is the writing task? How do we talk about numbers changing over time? What words can we use? Writing a report on population change. (increase, decrease, go up ...) Writing a report on population change Pre-writing Wang Yao is writing a report about the world population. Look at the line graph she found and help her complete the report. Use the words and phrases below to help you. Title Y-axis X-axis Writing a report on population change Pre-writing grew slowly growing quickly 1.1 billion 2.5 billion doubled 9 billion Writing a report on population change Pre-writing What order did Wang Yao use in her report? What tense did Wang Yao use in her report? Which years did she mention in the report? What does “the population more than doubled” mean? Time order. She used the simple past. In the last sentence, she used the simple future. She mentioned the years 1800, 1950, 2000 and 2050. The world population in 2000 was more than twice as big as in 1950. Read Wang Yao’s report again and answer the questions. Writing a report on population change Pre-writing Circle the expressions used to describe time. Time expressions before/after ... during ... in + YEAR between YEAR and YEAR about ... years later Writing a report on population change While-writing Step 1 Plan Choose a city or province you are interested in. Find information about its population change over a period of time and make a line graph. Title Y-axis X-axis Writing a report on population change While-writing Work in groups and discuss the following questions. What information does the line graph show? What time period should you mention in your report? Which words can you use to describe the change in population? Which tense(s) can you use? Writing a report on population change While-writing Step 2 Write Write a report about how the population changed over time. Remember to use the words and phrases in Exercise 1. (title of the line graph) The graph shows that ... In ..., During ... and ..., About ... years later, Writing a report on population change While-writing Words and expressions Language Third person perspective Tenses: the simple past, the simple present and the simple future Time expressions before/after ... during ... in + YEAR between YEAR and YEAR about ... years later Writing a report on population change Post-writing Step 3 Check and revise Check your writing and complete the chart, and then revise it. 评价内容 评分（1—5） 1. 我使用了折线图准确记录和表达了我收集的数据。 2. 我在报告中详尽地呈现了一个省份或地区一定时间内的人口变化。 3. 我在报告中运用了本单元学到的单词和短语。 4. 我的报告在拼写、语法、标点等方面没有错误。 Homework 基础作业 1. 在小组内互读报告，用互评表评价组内同学的报告，选出本组优秀报告。 2. 把每个小组的优秀报告和折线图贴在教室的黑板报上，进行学习交流。 拓展作业 和其他同学交换报告，在不看折线图的情况下，根据对方的报告绘制一幅折线图，并与原本的折线图对比，看报告是否准确反映了数据变化，能让读者快速了解数据和变化趋势。 province /9prBvIns/ n. 省份 Shenzhen is in the south of Guangdong Province. sharply /9SA:pli/ adv. 急剧地；突然大幅度地 Between 1950 and 2000, the population rose sharply. go up 上升 House prices in this area are going up again. go down 下降 At night, the temperatures can go down to -20℃. 2507.756 2716.7366 2115.9177 2560.0012 $$