Unit 6 I HAVE FIFTY MARKERS Lesson 19-21（课件）-2023-2024学年北京版英语三年级上册

小试牛刀-单词连连看 尺子 铅笔 钢笔 book 书 markers glue stickers ruler 胶水 蜡笔 橡皮 collect pen 贴纸 马克笔 pencil 收集 crayon eraser UNIT 6 I HAVE FIFTY MARKERS Lesson 19 eraser 橡皮 pencil 铅笔 ruler 尺子 books 书 markers 马克笔 glue 胶水 A：May I borrow your___,please? B：Certainly.Here you are. A：Thank you. B：You’re welcome. 如何向别人借东西？ May I borrow your___,please? Here you are. collect 收集 fifty五十 朗读并背诵： words ruler 尺子 pencil 铅笔 eraser 橡皮 books 书 markers 马克笔 glue 胶水 sentences May I borrow your___,please? Here you are. UNIT 6 I HAVE FIFTY MARKERS Lesson 20 stickers 贴纸 card 卡片 crayon 蜡笔 fifty 五十 forty 四十 thirty 三十 sixty 六十 What do you collect? I collect rulers.I have forty. What do you collect? I collect markers. I have sixty. A：What do you collect? B：I collect___. I have___. 询问别人收集了什么东西？ What do you collect? I collect markers. How many pencils do you have? I have thirty. A：How many … do you have? B：I have___. 询问别人有多少东西？ 朗读并背诵： so many 如此多 sixty 六十 forty 四十 朗读并背诵： toy cars 玩具车 twenty 二十 ten 十 play 玩耍 plus 加 words crayon 蜡笔 card 卡片 stickers 贴纸 thirty 三十 forty 四十 fifty 五十 sixty 六十 sentences What do you collect? I collect___. I have___. How many ___ do you have? I have___. toy cars 玩具车 play 玩耍 plus 加 UNIT 6 I HAVE FIFTY MARKERS Lesson 21 Who can guess the missing number? It’s so easy ! One plus one is two. blackboard黑板 one hundred Think ___ plus ___ is one hundred. 20 以上的数词 20+80=100 30+70=100 40+60=100 10+90=100 50+50=100 20 是 twenty 30 是 thirty 40 是 forty 50 是 fifty 60 是 sixty 70 是 seventy 80 是 eighty 90 是 ninety 100 是 hundred 重点句型 ……加上……等于…… 加法：… plus … is …. 重点句型 ……减去……等于…… 减法：… minus … is …. Fifty plus ten is sixty. + One hundred minus ten is ninety. _ Forty plus twenty is sixty. + Seventy plus ten is eighty. + Sixty plus ten is seventy. + _ Seventy minus ten is sixty. + Seventy plus twenty is ninety. ninety minus twenty is seventy. _ words blackboard 黑板 plus 加 minus 减 sentences 加法：… plus … is … ...加上......等于... 减法：… minus … is … ...