Unit 3 How do we use numbers？Communicate（讲义）-2025-2026学年沪教版（2024）英语四年级上册

Unit 3 How do we use numbers? ⭐Communicate知识点清单 一、核心词汇 1. 数字与运算类 · 基数词：1-20（巩固）、plus（加，+）、equal（等于，=） · 年龄表达：how old（几岁） · 数量提问：how many（多少，接可数名词复数）、there be（有，表存在） 2. 食物与生活类 · 水果：apple（苹果）、pear（梨）、banana（香蕉）、fruit salad（水果沙拉） · 场景：birthday party（生日派对）、birthday（生日） · 其他：put（放）、people（人，单复数同形） 二、核心句型 1. 加法运算（水果沙拉场景，巩固拓展） · 结构：数字 + plus + 数字 + equals + 结果（对应算式：A + B = C） 例：Four plus two equals six.（4 + 2 = 6） · 物品数量描述： They put ... apples/pears/bananas in the salad.（他们往沙拉里放了…… 个苹果 / 梨 / 香蕉） 2. 生日场景问答（Look and talk 核心） · 年龄提问：How old is + 人名?（…… 几岁了？） 答句：He/She is + 数字 (years old). 例：How old is Mingming? He's five (years old). · 人数 / 物品数量提问：How many + 可数名词复数 + are there + 地点?（…… 有多少……？） 答句：There are + 数字 + 名词. 例：How many people are there at Mingming's party? There are seven people. 拓展：How many balloons are there? There are nine balloons. 3. 写作句型（Think and write 模板） · Today is ...'s birthday. He/She is ______.（今天是…… 的生日，他 / 她…… 岁了） · There are ______ people at the party.（派对上有…… 个人） · There is/are ______.（有……，单复数对应 be 动词） 例：There is a big birthday cake. / There are nine balloons. 三、语法知识点 1. 加法运算表达（巩固） · 口语与算式对应：A plus B equals C ↔ A + B = C · 用实物（水果）理解加法的实际应用：合并物品数量 2. How many / How old 区分 疑问词 用法 答句结构 How old 提问年龄 He/She is + 数字. How many 提问可数名词数量 There are + 数字 + 名词. / I have + 数字 + 名词. ⭐Communicate同步练 一、选词填空（每空3分，共30分） 从方框中选择合适的单词，补全句子，每词限用一次。 how old, how many, plus, equals, there are, there is, people, birthday, fruit salad, put 1. —______ is Mingming? —He is five years old. 2. —______ people are there at the party? —______ seven people. 3. They make ______. They ______ four apples and two pears in it. 4. Four ______ two ______ six. (4 + 2 = 6) Today is Mingming's ______. ______ a big birthday cake on the table. 二、单项选择（每题4分，共20分） ( ) 1. —______ is your sister? —She is six. A. How many B. How old C. What ( ) 2. —How many ______ are there at the party? —There are eight. A. people B. apple C. balloon ( ) 3. ______ a big birthday cake and nine balloons at the party. A. There are B. There is C. There have ( ) 4. —What's 3 plus 5? —______ A. 3 minus 5 equals 2 B. 3 plus 5 equals 8 C. 5 plus 3 equals 7 ( ) 5. They put three pears and four apples ______ the fruit salad. A. in B. on C. at 三、情景交际（每题5分，共20分） 从方框中选择合适的句子，补全对话，每句限用一次。 A. He is five years old. B. There are seven people. C. It's Mingming's birthday. D. Four plus two equals six. 1. —What's today? —______ 2. —How old is Mingming? —______ 3. —How many people are there at the party? —______ 4. —What's 4 plus 2? —______ 四、课文填空（每空3分，共27分） 根据课文内容，补全短文，每空一词。 Today is Mingming's ______. He is ______ years old. There are ______ people at his birthday party. ______ is a big birthday cake on the table. There are ______ balloons too. They make fruit salad. They ______ four apples and two pears in the salad. Four ______ two ______ six. Numbers help us count things and add things. We use numbers every ______. 参考答案 一、选词填空（每空3分，共30分） 1. How old 2. How many; There are 3. fruit salad; put 4. plus; equals 5. birthday; There is 二、单项选择（每题4分，共20分） 1. B 2. A 3. B 4. B 5. A 三、情景交际（每题5分，共20分） 1. C 2. A 3. B 4. D 四、课文填空（每空3分，共27分） 1. birthday 2. five 3. seven 4. There 5. nine 6. put 7. plus 8. equals 9. day 学科网（北京）股份有限公司 $