牛津小學(xué)英語3B教案全冊（詳案）
五、教學(xué)準(zhǔn)備
1、教具準(zhǔn)備：
a. 課前準(zhǔn)備本課c部分的圖片。
b. 數(shù)字卡片13-20。
c. right /wrong的標(biāo)志卡片及磁帶錄音機(jī) 。
d. 掛鐘
2、板書準(zhǔn)備：寫好課題和日期。
六、教學(xué)過程
step1. free talk:
1.t: how are you?/good afternoon./what’s the time?/are you …?/what’s your telephone number?/how many …can you see?/i can see….
【分析】： 復(fù)習(xí)日常對話，以便為以后的學(xué)習(xí)打下基礎(chǔ)。
step2. presentation and practice
t: look, let’s sing a song《twenty green bottles》/《ten little indian boys》
t: let’s play a game. guess <what numbers>
t: show the pictures (17, 15, 18,19,20,11,12..)
ss: guessing.
t: that’s right./ sorry, you’re wrong.
t: i think spring is coming. all the birds are coming now. look!
ss: look at the tv.
t: how many birds can you see?
s: i can see five.
t: how many birds can you see?
s: i can see eight.
t: what’s five plus eight?( two times)
s: it’s thirteen.
t: plus
ss: read together; one by one.
t: what’s five plus eight?
ss:….
t: it’s thirteen.
ss:….
s1: what’s five plus eight?
s2: it’s thirteen.
t: look at the pictures.
t: what’s …plus…?
s: it’s…
ss: do the excises.
t:讓學(xué)生自己出題目做。
t: say a rhyme.
【分析】：通過課件中春天來了，小鳥飛來了，先飛來五只，接著飛來八只，讓學(xué)生有一個加的印象，為教單詞plus創(chuàng)設(shè)了一個情境。符合小學(xué)生的好奇心理，學(xué)生很感興趣。
t: do you like apples?
s: yes.
t: look at this lovely apple tree.
t: how many apples can you?
s: i can see twelve.
t: how many apples can you see?
s: i can see twelve
t: what’s twenty minus twelve?
s: it’s eight.
t: minus
s: read the words.
t: what’s twenty minus twelve?
ss: read the sentences.
t: it’s eight.
ss: read it.
t: look at the pictures. (ask and answer the questions.)
t:讓學(xué)生自己出題目做。
【分析】通過蘋果樹的展現(xiàn)，忽然吹來一陣風(fēng)，吹走了蘋果樹樹上的蘋果由原來的12只剩下了八只，給學(xué)生一個減的概念，接著教minus單詞時，相對而言容易理解些。
step2. presentation and practice
1、 a、 2:00 14:00；3:00 15:00學(xué)習(xí)thirteen 13 fourteen 14，fifteen 15
教師幫助學(xué)生找到"teen "的發(fā)音規(guī)律。
b、學(xué)生做小老師，教學(xué)：sixteen, seventeen , eighteen , nineteen.
其他學(xué)生跟讀