牛津英语课件老版grammar 2.pptx

24AmazingthingsNumbersGrammar(II):Decimalsandfractions

DecimalsFractionsExercises

DecimalsHerearetwodecimals.Howcanwereadthem?3-1123pointzerosixfifty-ninetwothreeWesayeachnumberseparatelyafteradecimalpoint.Tips

3-2Readthefollowingaloud.123.3 pointthree0.3 zeropointthree.368 pointthreesixeight7.145 sevenpointonefourfive36.36 thirty-sixpointthreesix

3-3Saythefollowingdecimals.123twenty-sixpointtwothreeonethousandthreehundredandeighty-fivepointfiveforty-eightpointfoureightfivehundredandtwenty-sixpointfourthreetwoonepointofoursixeight

Fractions4-1123Herearetwofractions.Howcanwereadthem?UsecardinalnumbersUseordinalnumbersonetwothirdthirdsone-thirdtwo-thirds4

4-2Notethesespecialfractions:123a/onehalfa/onequarterthreequarters4

4-3123Howtosayamixedfraction?twoone-fifthand4

4-41234Saythefollowingfractions.one-eighthfourteentwenty-secondsseven-twelfthstwenty-onesixtiethsfive-sixteenthsthreeandahalftwenty-twoandeleven-nineteenthssevenandthree-fourths

ExercisesInpairs,practisesayingthefollowingnumbers.0.719.211/553.358?7/90.1686?zeropointsevennineteenpointtwooneone-fifthfifty-threepointthreefiveeightandthree-fourthsseven-ninthszeropointonesixeightsixandahalf

ConsolidationWorkbook8A,page33.