小学英语外研剑桥版四年级上册Unit 3 Numbers课文课件ppt

这是一份小学英语外研剑桥版四年级上册Unit 3 Numbers课文课件ppt，共23页。PPT课件主要包含了one，two，three，four，five，six，seven，eight，nine，ten等内容，欢迎下载使用。

Let's sing.
>>Presentatin
Let's read.
Listen and sing the sng.
Ask and answer.
1. Where des the mnkey live?
3. What des he eat fr breakfast/lunch/dinner?
2. What’s his favurite clur/fd/number?
He lives at Lndn Z.
His favurite clur is yellw.His favurite fd is yellw.His favurite number is ninety-nine.
Lk and say.
He eats thirty-three bananas fr breakfast.
He eats thirty-three bananas fr lunch.
He eats thirty-three bananas fr dinner.
Let’s learn.
20 30 40 50 60 70 80 90
twenty thirty frty fifty sixty seventy eighty ninety
ne tw three fur five six seven eight nine ten
1 2 3 4 5 6 7 8 9 10
2030 40 50 60 70 80 90
twelvethirteen furteen fifteen sixteen seventeen eighteen nineteen
12 13 14 15 16 17 18 19
twenty thirty frty fifty sixty seventy eighty ninety
ninety-nine
thirty-three
一至十二形各异，一个一个单独记。后面加teen变十几，thirteen，fifteen看仔细。 几十后面加ty，twenty不同重点记。frty没有字母u，thirty，fifty更出奇。eighteen，eighty只有一个t。若要表达几十几，几十短横1到9。ne hundred 一百特殊记。
Listen and say the rhyme.
One, tw, three, fur,Five, six, seven,Eight, nine, ten,And nw eleven,Twelve is tw plus ten,Nw let’s start again.
Let’s learn.
Twelve is tw plus ten.
Tw is twelve minus ten.
D the sums in English.
Eg: Eighteen plus frty-eight is sixty-six.
Eg: Ninety-nine minus twenty-six is seventy-three.
Eighteen plus frty-eight is sixty-six.
Thirty-seven plus frty-three is eighty.
Fifty-tw plus twenty-five is seventy-seven.
Nineteen plus seventeen is thirty-six.
Frty-nine plus frty-nine is ninety-eight.
Ninety-nine minus twenty-six is seventy-three.
Seventy-six minus fifty-seven is nineteen.
Eighty-tw minus thirty-tw is fifty.
Twenty-fur minus five is nineteen.
Ninety minus thirty-eight is fifty-tw.
A: What is thirty-seven plus frty-three?
B: It's eighty.
A: What is seventy-six minus fifty-seven?
B: It's nineteen.