牛津蘇教三下Unit5Plusandminus公開(kāi)

Unit 5 Plus and minus Sorry, youre wrong. (對(duì) 不 起 ， 你 答 錯(cuò) 了 ） Oh， no. （ 哦 ， 不 ） zoo Lets go to the zoo. 動(dòng) 物 園 里 有 各 種 各 樣 的 動(dòng) 物 ,請(qǐng) 你來(lái) 數(shù) 一 數(shù) 各 有 多 少 只 ,好 嗎 ?Let to the zoo. Count(數(shù) 一 數(shù) )one two threefour five 1+4 =?Whats one plus four? Its five. 5+ 2+5 =?Whats two plus five? Its seven. 7+ 3+6 =?Whats three plus six? Its nine. 9+ 1+43+62+5 one plus fourtwo plus fivethree plus six Practice: A: What s plus ? B: It s A:What s five plus two? 5 + 2 = ?B:It s seven. ?A: That s right. 7十Questions: ?A: What s eight plus five? 8 +5 =?B: It s thirteen.A: That s right.13Questions: What s ten plus four? 10 + 4 = ?It s fourteen. ?That s right. 14十Questions: 54321 1516171819 Whatsplus? Its twenty.(20)Questions: fifteensixteenseventeeneighteennineteen Sorry, youre wrong. (對(duì) 不 起 ， 你 答 錯(cuò) 了 ） Oh， no. （ 哦 ， 不 ） 13thirteen14fourteen15fifteen 16sixteen17seventeen18eighteen19nineteen20twenty12twelveWhat s missing？ Whats nine minus four ?Its five 9-4=? Whats eight minus two?Its six.8-2 20-4=?A: Whats twenty minus four？B: Its sixteen 9-4 8-220-4 nine minus foureight minus twotwenty minus four 11-6=9-4= 7-2= 12-8= 10-1= 14-7=6-4= 13-5= 8 9 7 452Questions:12 7 63 45 A: What s plus /minus ? B: It sA: That s right. Sorry, you re wrong. Oh, no.Make a conversation 設(shè) 計(jì) 一 份 加 減 法 口 算 試 卷 ,與 周 圍同 學(xué) 一 起 練 習(xí) 英 語(yǔ) 表 述 . 朗 讀 并 背 誦 Unit 5 Part A.