小学英语人教精通版四年级下册Recycle 2课文配套ppt课件

这是一份小学英语人教精通版四年级下册Recycle 2课文配套ppt课件，共19页。PPT课件主要包含了fifty，twenty，ninety等内容，欢迎下载使用。

warming-up and lead-in
presentatin
Can yu read them?
15619967985
18958996235
13679938245
17348862457
Let’s guess
❓他们是整十数，而且都是奇数。
想一想，你还知道哪些100及以内整十数呢？
Hw much are these?
50 + 20 + 20 = 90
ne hundred
50 + 50 = 100
Language pints
We have ne hundred pencils.我们有100支铅笔。hundred意为“百”， 使用时前面要加具体数字：具体数词（ne ~ nine）+ hundred如 ：tw hundred students 两百学生。例句：公园里有300人。 There are three hundred peple in the park.
Can yu write them?
I can d it.
twenty + eighty =
thirty + seventy =
frty + fifty =
thirty + sixty =
Hw many eggs d yu have?
We have ninety eggs.
We have ne hundred bks.
Hw many bks d yu have?
Hw many pens d yu have?
We have ninety pens.
Hw many apples d yu have?
We have ne hundred apples.
数字单词很容易，1至12特殊记ne 一 tw 二 three 三fur 四 five 五 six 六seven 七 eight 八 nine 九ten 十 eleven 十一 twelve 十二
13数到19去，后加-teen莫忘记。thirteen 十三 furteen 十四fifteen 十五 sixteen 十六seventeen 十七 eighteen 十八nineteen 十九
20以上整十数，结尾都把-ty来加。twenty 二十 thirty 三十frty 四十 fifty 五十sixty 六十 seventy 七十eighty 八十 ninety 九十