Unit 2 Writing 课件2022-2023学年沪教牛津版（广州沈阳通用）八年级英语上册

their fingers and even their toes small marks on sticks and bones tokens made from clay or small stones systems of written marks the Hindu–Arabic system However, they could only count small numbers in this way. This helped them count bigger numbers. This helped them count even bigger numbers. by using their fingers and even their toes Making small marks on sticks and bones Using tokens made from clay or small stones Find the facts find out where they are and what they refer to. 2 This developed into tools like the abacus. … and this led to the Hindu-Arabic system (0—9). We are still using this system today. Putting the tokens on pieces of string developing systems of written marks the Hindu-Arabic system 3 Highlight useful expressions 1. 在书写的数字发明之前，人们用很多不同方式来数数。 Before the invention of written numbers, people used many different ways to count things. 2. 起先 at first 3. 然而，用这种方式他们只能数小数目。 However, they could only count small numbers in this way. 4. 在那之后 after that 5. 食物的数量 the amount of food 6. 动物的数量 the number of animals 7. 粘土制成的标志物 tokens made from clay 8. 他们经常把标志物穿在一条条的细绳上以便能够轻易随身携带。 They often put the tokens on pieces of string so that they could carry them around easily. 9. 发展成为 develop into 10. 导致 lead to 11. 如今我们仍然使用这个系统。 We are still using this system today. Dictation Writing A report with numbers Unit 2 Numbers Bar Chart Pie Chart Do a survey[ˈsɜ:veɪ]  Line Chart Table of figures A report with numbers P28 May found some figures about traffic accidents in her city. She drew a line graph and wrote a report. Look at the line graph and answer the following questions. About traffic accidents in May’s city. 208. 234. What's the line graph about? How many accidents were there in July? What’s the number of accidents in August? 9 Look at the line graph again and complete the sentences below. The number of accidents _________ (went up/went down) in October. The number of accidents ________