Unit 7 how much are these socks 3 第3课时 SectionB(1a-1e)（课件PPT）-【学海风暴】2023-2024学年七年级上册初一英语(人教版)

Unit 7 How much are these socks? 第目课时Section B(la-1e) 《学海风暴》七年级英语（上）RJ版 知识要点扫描 .C 基数词 L.基数词的表达 (1)0~12的表达 这13个基数词在拼写和读音上没有什么 相似之处，需要单独记忆，它们分别是zero (0),one(1),two(2),three(3),four(4),five (5),six(6),seven(7),eight(8),nine(9),ten (10),eleven(11),twelve(12), YUHENG CULTURE 知识要点扫描 (2)13~19的表达 这些基数词都是以“3~9的基数词十-teen” 构成，并且重音都在-teen上。要注意thirteen (13),fifteen(15)分别由three和five转化而来： eighteen(18)是eight加-een而来的。 (3)2090的整十基数词的表达 这些表示“几十”的基数词，都是以“2~9 的基数词+-ty”构成，但应注意twenty(20), thirty(30),forty(40),fifty(50),eighty(80) 特殊性。 YUHENG CULTURE 知识要点扫描 (4)“几十几”的表达 表示“几十几”，十位数用20~90的整十 基数词，个位数用1一9的基数词。十位数与 个位数之间用连字符“”连接，如 YUHENG CULTURE 知识要点扫描 2.基数词的用法 (1)表达编号 表达编号时，用基数词比较常见。基数词 位于名词之后，且基数词和名词都大写首字 母。 (2)表示人或物的数量，基数词放在名词 之前 YUHENG CULTURE e 知识要点扫描 (3)表达年龄、时间和价格 (4)表达算式 YUHENG CULTURE -寸ical riue- 谢谢观看Unit 7 七年级英语RJ版·上册 Section B (1a-1e) 授课人：XXXX 一、新课引入 One two Three four Five six Seven eight Nine ten One two Three four Five six Seven eight Nine ten Put on your shoes Go to the store Buy the socks Take the shirt Come back again Put on your shoes Go to the store Buy the socks Take the shirt That’s the end Let’s Chant! 二、新课讲解 Listen and repeat. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Write the numbers in 1a next to the correct words. Which rows of numbers are in the wrong places? 二、新课讲解 ten __ eleven __ twelve __ thirteen __ fourteen __ 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-one __ 10 11 12 13 14 25 26 27 28 29 20 21 23 24 15 16 17 18 19 30 31 22 1b 二、新课讲解 Listen and circle the numbers you hear in 1a. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 二、新课讲解 Listen again. Circle the things in the picture that Kate and her mom talk about. Check (√) the thing Kate buys. √ Ask and answer questions about the things in the picture ab