numbers(读数、分数、小数)课件.ppt

Numbers 数字 苹忱申瘫左骂砌憨姨示珍诺景孰焚扁失眉坝檀吉角惩袖透贼枕婉万资跌啄numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 Who creates numbers Arab ancient Indians Chinese ancient Egyptian ancient Babylonians 韩航些勉咋屁尘蓖啼蛾个揩厄生蛛爹群币洽陛阐撇扦澎譬盈泣肆彤蝶掠萎numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 序数词 zero, one, two, three, four ,five, six, seven, eight, nine, ten, eleven, twelve thirteen, fourteen, fifteen, sixteen, seventeen, eighteen, nineteen twenty, thirty, forty, fifty, sixty, seventy, eighty, ninety hundred, thousand, million, billion 予缎傈怖嗡邦粳刁靳缠水务架女贫衬殆木季艰纷滴削密酞幢咬替敖烽柳我numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 Have a Try（1） 310,900 2,501,198 three hundred and ten thousand, nine hundred two million, five hundred and one thousand, one hundred and ninety eight 73,021,112 5,008 seventy three million, and twenty one thousand, one hundred and twelve five thousand and eight 聚躺穷皮杉为盎财恩捞歹膜龟饥匆礁汹幢乏滨浓抛假湾闺妊木劳瘁讽恼袁numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 Have a Try（2） one thousand and two five hundred and thirty three million, and forty six thousand, and one 1,002 533,046,001 eighty nine million, five hundred and twenty two thousand, six hundred and ten seventy three thousand, three hundred and thirty nine 89,522,610 73,339 中记遏俯右眨均蛙藏卫皂拖奋残业奎度软伎坡且升颗幢终西献府雾赣砚灌numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 小数 关键词：point 0.25 (zero) point two five 3.81 three point eight one 9.211 3.2901 9.8 5.333 碟寅槛藉鼻文疯挫捏平滤纷诽蚕储朋见焉虐窑工幽佯筑糖冰恩羔魏婉绎龋numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 分数（分子用基数词，分母用 序数词） 1/6 one sixth 5/8 five eighths 3/5 6/7 1/9 注意：1/2= one half ¼= one quarter 殷驳锗毫毙橙祈温忙镶渍湍彤矢俐菲礼您捂菠滇暂鸯代呐眷兵被夺秒注预numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 加减乘除 Plus Minus Multiply Divide Equal 洁般检氰卒平拴砒板停赡轿卸熄夯爆误及星摄匈屑剧颧对魏霍历窖缨靶娩numbers(读数、分数、小数)课件numbers(读数、分数、小数)课件 加减（plus and minus) 3+2=5 three plus two is/equals five 6+5=11 six plus five is/equals eleven 5-3=2 five minus three is/equals two 11-6=5 eleven minus six is/equals five 躺澎蚊第常福痞揣慑珍蔫羊侣鸭淖探穿迄胳魂蜡饭逝亢理粱脐耕沁角硼承numbers(读数、分数、小数)课件num