Unit1-Grammar课件2023-2024学年牛津译林版英语七年级下册

Unit 1 Dream homes Becky Grammar Cardinal numbers & Ordinal numbers Let's talk No.2 Bus No.17 player Page 28 10 yuan We use cardinal numbers almost every day. Let's conclude Cardinal numbers 1. 0-12 zero, one ,two, three ,four, five, six, seven, eight ,nine ,ten ,eleven, twelve 2. 13-19 thirteen, fourteen, fifteen ,sixteen, seventeen, eighteen, nineteen 3. 20-30 twenty-one /two / three / four / five /six /… 4. 20-90 twenty thirty forty fifty sixty seventy eighty ninety 5. 100 1,000 10,000 100,000 1,000,000 one hundred one thousand ten thousand one hundred thousand one million Let's conclude Let's try 101: 112: 149: 194: 455: 421: 919: one hundred and one (0由and替代) one hundred and twelve（百与十之间and） one hundred and forty-nine (forty无u) one hundred and ninety-four (ninety有e) four hundred and fifty-five (注意fifty) four hundred and twenty-one（注意连字符） nine hundred and nineteen (注意nineteen) Can you read the numbers? Let's pay attention twenty-one thirty-two forty-four fifty-six sixty-seven seventy-eight 个位和十位之间要加连字符“ – ”。 读三位以上的数词时，要在十位前加“and”,如十位为0则在个位前加“and”。 321 three hundred and twenty-one Let's pay attention 24 368 689 253 3. How to read easily and correctly ? 从后往前每三位标上一个逗号 twenty-two billion, three hundred and sixty-eight million, six hundred and eighty-nine thousand, two hundred and fifty-three ， ， ， million thousand billion Let's try 4,056= 23,813= 567,110= 5,778,125= four thousand and fifty-six twenty-three thousand, eight hundred and thirteen five hundred and sixty-seven thousand, one hundred and ten five million, seven hundred and seventy-eight thousand, one hundred and twenty-five Can you read them? (0用and替代) （千与百之间用逗号隔开） （百万与千之间用逗号隔开） Let's learn Learning about different countries People from about 180 countries and areas live in New York. The CN Tower is 1,815 feet tall. Red Square in Moscow is about 91,000 square meters in size. France has an area of over 260,000 square