Unit 3 第2课时 Explore（学习任务单）英语沪教版四年级上册（新教材）

Unit3 How do we use numbers? 第2课时 Explore 学习任务单 班级________________________ 姓名________________ 学号________________ 学习目标 1. 以 “数字的认知与应用” 为核心，通过感知奇偶数字分类、加减运算含义及日常用数字场景，理解数字在生活中的基础作用（如计数、计算）。（学习理解） 2. 运用核心句型询问与回答物品数量（如 “How many pencils do you have?”），完成加减运算书写（如 “3+2=5”），实现数字知识从输入到简单运用的转化。（应用实践） 3. 联系生活场景（如派对准备、文具整理），用奇偶分类、加减运算解决实际问题，尝试设计 “生活数字小任务”（如记录一周购买物品数量），深化数字知识的灵活迁移。（迁移创新） 核心词汇 even number（偶数），odd number（奇数），plus（加），minus（减），count（数数），equal（等于） 核心句型 1. 询问数量：How many... do you have? 回答：I have.../ I don’t have... 2. 表达加减：... plus... equals...；... minus... equals... ( ) 1. Which kind of numbers are red in the text? A. Even numbers B. Odd numbers C. Big numbers ( ) 2. Numbers can help us ____ things in daily life. A. count B. draw C. sing ( ) 3. “Five ____ three equals eight” is right. A. minus B. plus C. and ( ) 4. —____ pencils do you have?— I have five pencils. A. How many B. What color C. Where ( ) 5. If you have 7 apples and eat 2, how many apples do you have now? A. 7 minus 2 equals 5. B. 7 plus 2 equals 9. C. 7 minus 5 equals 2. ( ) 6. We need 10 oranges for the party. You have 4, and I have ____. Then we have 10 together. A. 4 B. 5 C. 6 【学习任务一】数字分类：区分奇数（Odd numbers）与偶数（Even numbers） 请将下列数字填入对应的方框中：1, 2, 4, 5, 7, 8, 10, 13, 16, 19 · Odd numbers（奇数）：________________________ · Even numbers（偶数）：________________________ 【学习任务二】加减运算：根据场景计算并写出完整算式 1.You have 6 books. Your friend gives you 3 more. How many books do you have now? 算式：________________________ 2.There are 9 pencils in the box. You take 4 pencils. How many pencils are left in the box? 算式：________________________ 3.The party needs 12 cups. You have 5 cups, and your sister has 4 cups. How many more cups do you need? 算式：________________________ 【学习任务三】对话补全：根据核心句型补全下列关于 “物品数量” 的对话 1.A: ____ ____ pens do you have, Lily? B: I ____ 2 pens. What about you? A: I ____ ____ 2 pens. I have 5 pens. 2.A: We need 8 rulers for the group. How many rulers do you have? B: I ____ ____ 8 rulers. I have 3. A: Don’t worry! I have 5. 3 plus 5 equals 8. We have enough! 【学习任务四】生活应用：联系实际，写出 2 个 “生活中使用数字” 的句子 示例：I count 5 apples when I buy them from the shop. 1. ______________________________________________ 2. ______________________________________________ I can tell the difference between odd numbers and even numbers. ⭐ ⭐⭐ ⭐⭐⭐ I can use the sentence “How many... do you have?” to ask and answer about quantities. ⭐ ⭐⭐ ⭐⭐⭐ I can use plus and minus to solve simple daily problems. ⭐ ⭐⭐ ⭐⭐⭐ 答案 1. B 2. A 3. B 4. A 5. A 6. C 【学习任务一】 Odd numbers（奇数）：1, 5, 7, 13, 19 Even numbers（偶数）：2, 4, 8, 10, 16 【学习任务二】 6 plus 3 equals 9.（或 6+3=9） 9 minus 4 equals 5.（或 9-4=5） 12 minus (5 plus 4) equals 3.（或 12-(5+4)=3） 【学习任务三】 How many; have; don’t have don’t have 【学习任务四】（示例答案，合理即可） I use numbers to count how many eggs my mom buys every week. When I do homework, I use “5 minus 2 equals 3” to solve math problems. 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $