课件25张PPT。Unit 6 How many?
人教版(三年级起点)三年级下册Part A Let's learn
Let's chant
● Let's learn● Let's chantWarm-up/Revisioneleven十一Presentation【例句】I have eleven fish.
我有十一条鱼。Eleven. How many cars do you see? twelve十二【例句】There are twelve months in a year. 一年有十二个月。【联想记忆】 two 二
twenty 二十 Twelve. How many boats do you see? thirteen十三【例句】There are thirteen pencils in the pencil box.
铅笔盒里有十三支铅笔。【联想记忆】 three 三
thirteenth 第十三
How many birds do you see?I see thirteen birds.fourteen十四【例句】There are fourteen cars on the street.
街道上有十四辆小汽车。【联想记忆】 four 四
fourteenth 第十四
Are there thirteen oranges in the tree?No, there are fourteen.fifteen十五【例句】There are fifteen kites in the sky.
天上有十五只风筝。【联想记忆】 five 五
fifteenth 第十五
fetfTry补词单齐ineLet's learnHow many fish do you see?1,2...14,15.
I see fifteen. I see fifteen.我看见了十五条。(1)1~12的数词为基本数词。
one一 two二 three三 four四 five五 six六 seven七 eight八 nine九 ten十 eleven十一 twelve十二 重点句型【详解】数词的构成。 详解(二)four+teen=fourteen十四 six+teen=sixteen十六 seven+teen=seventeen十七 nine+teen=nineteen十九fif+teen=fifteen十五 thir+teen=thirteen十三 eigh+teen=eighteen十八 注意13—19由3—9加后缀-teen构成 详解(三)thir+ty=thirty三十 twen+ty=twenty二十 for+ty=forty四十 注意20—90等十位数都由2—9加后缀-ty构成six+ty=sixty六十seven+ty=seventy七十nine+ty=ninety九十fif+ty=fifty五十 eigh+ty=eighty八十 详解(四)twenty+one=twenty-one二十一 21—99的几十几是由整十的数加个位数1—9构成,中间要有连字符“-”thirty+two=thirty-two三十二 forty+five=forty-five四十五 练一练 1,二十三 twenty-three2,三十四thirty-four3,五十六fifty-sixLet's chant一、给下列算式选择合适的答案。TestA.thirteen B.fifteen C.twelve D.fourteen E.eleven F.ten
( )1.5 + 7 = ( )2.3 × 5= ?
( )3.18 - 8= ? ( )4.15 - 2= ?
( )5.2 × 7= ? ( )6.10 + 1= ? CFDBAE二、请给小动物贴上正确的名牌。1114131512fourteenfofourteenelevenfifteentwelvethirteenSum-up重点词汇eleven
11 twelve
12 thirteen
13 fourteen
14 fifteen
15 重点句型 I see fifteen.
我看见了十五条。将新学的数字单词制成单词卡片吧!HomeworkThank you!