【語(yǔ)法】M1U2數(shù)字的加減乘除課件

1、數(shù)字的加減乘除數(shù)字的加減乘除Lead-in+Two and two is four.=4Lead-in+Two and two is four.=4Lead-in+One plus two equals three.=3Lead-in+One plus two equals thPresentation 1.“加”用plus，and或add表示；“等于”用is，equal等詞表示。 Two plus three is five Two and three equals five If we add two to/and three, we get five 數(shù)字的加減乘除Presentatio

2、n 1.“加”用plus，and或adPresentation2. “減”用 minus表示 Ten minus six is four Six minus two equals four. Presentation2. “減”用 minus表示 Presentation3. “乘”用multiplied by表示 Three multiplied by four is twelveTwo multiplied by four equals eight. 還可用times表示“乘”Three times four is twelvePresentation3. “乘”用multiplied P

3、resentation4. 除”用divided by表示 Sixteen divided by four is four Sixteen divided by four equals four Presentation4. 除”用divided by表示Presentation注意：在四則運(yùn)算中，表示加法和乘法時(shí)謂語(yǔ)動(dòng)詞單、復(fù)數(shù)均可，表示減法和除法時(shí)必須用單數(shù)。 Ten minus one is eleven.Tentimesfiveis/arefifty.Presentation注意：在四則運(yùn)算中，表示加法和乘法時(shí)Presentation5.小數(shù)用基數(shù)詞來(lái)表示小數(shù)點(diǎn)讀作 point，o讀作

4、 zero或o /ou/，整數(shù)部分為零時(shí)，可以省略不讀。 0.4 zero point four或point four 零點(diǎn)四 10.23 ten point two three 十點(diǎn)二三 l.03 one point o three 一點(diǎn)零三 Presentation5.小數(shù)Presentation當(dāng)數(shù)字值大于1時(shí)，小數(shù)后面的名詞用復(fù)數(shù)，數(shù)字值小于1時(shí)，小數(shù)后面的名詞用單數(shù)。 1.03 meters 一點(diǎn)零三米 0.49 ton 零點(diǎn)四九噸 l.5 tons 一點(diǎn)五噸 Presentation當(dāng)數(shù)字值大于1時(shí)，小數(shù)后面的名詞用復(fù)Practice3+9Add 3 and 9.3 plus 9

5、equals/ is 12.Practice3+9Add 3 and 9.3 plus Practice9-3Subtract 9 from 3.9 minus 3 equals/ is 6.Practice9-3Subtract 9 from 3.9Practice39Multiply 3 by 9.3 multiplied by 9 equals/ is 27.Practice39Multiply 3 by 9.3 mPractice93Divide 9 by 3.9 divided by 3 equals/ is 3.Practice93Divide 9 by 3.9 divPracti

6、ce0.93Divide 0.9 by 3.Point 9 divided by 3 equals/ is point 3.Practice0.93Divide 0.9 by 3.PPractice填空。1. 3 _ 9 equals 12.2. 9 _ 3 is 3.3. 3 _ 9 equals/ is 27. 4. 18 _ 13 is 6.plus divided bymultiplied by minusPractice填空。plus divided bymulPractice【 2013.深圳中考】_ one plus eleven? A.How many isB.What isC

7、.How is D. How old is【解析】本題考查運(yùn)算中提問得數(shù)用what，故選B直擊中考 B Practice【 2013.深圳中考】直擊中考 B Practice【 2011.深圳中考】Three minus three _zero. A.isB.areC.equals D.be【解析】本題考查四則運(yùn)算中表示減法和除法時(shí)必須用單數(shù)。故應(yīng)選A。直擊中考A Practice【 2011.深圳中考】直擊中考A Practice【 2013.邢臺(tái)中考】 Be careful. The pond is 0.9 _ deep. A.kilometerB.kilometers C.meterD.meters【解析】本題考查小數(shù)當(dāng)數(shù)字值大于1時(shí)，小數(shù)后面的名詞用復(fù)數(shù)，數(shù)字值小于1時(shí)，小數(shù)后面的名詞用單數(shù)。故選C。直擊中考C Practic