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课件网) STUDY Module 2 Unit 4 Numbers Grammar：Cardinal and ordinal numbers & Decimals and fractions odd numbers even numbers / d/ / i vn/ 11, 13, 15, 17, 19 12, 14, 16, 18, 20 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 Presentation Talk about the picture. 1 strange or unusual 10 11 12 13 14 15 16 17 18 19 ten eleven twelve thirteen fourteen fifteen sixteen seventeen eighteen nineteen 20 30 40 50 twenty thirty forty fifty 60 70 80 90 sixty seventy eighty ninety When we say fourteen, we stress the second syllable. When we say forty, we stress the first syllable. Say the numbers. 28 32 44 59 twenty-eight thirty-two forty-four fifty-nine 63 75 89 91 sixty-three seventy-five eighty-nine ninety-one When we write a two-word number, we add a “-”. Presentation Say the numbers. 3 100 200 1,000 10,000 200,000 1,000,000 20,000,000 300,000,000 one hundred two hundred one thousand ten thousand two hundred thousand one million twenty million three hundred million thousand million Say big numbers. Among the cardinal numbers, hundred, thousand and million have no “s”. 2,500 13,900,000 4 one million two hundred and eighty-four thousand three hundred and seventy-five 375 three hundred and seventy-five We pause after million and thousand. 284,375 two hundred and eighty-four thousand three hundred and seventy-five 1,284,375 305 three hundred and five Presentation Say the numbers. 5 Listen to the recording and complete the bar chart. Population Growth in Shanghai Year Population Practice 6 Population Growth in Shanghai 1950 1995 2005 4,301,000 7,823,000 16,763,000 27,137,000 Practice Check the answers. 7 Top three biggest cities by population in China Chongqing First Second Third Shanghai Beijing Ordinal numbers Learn the language. We use ordinal numbers to show the order or position of something. 4 5 9 12 20 30 40 90 fourth fifth ninth twelfth twentieth thirtieth fortieth ninetieth 100 21 33 45 69 one hundredth twenty-first thirty-third forty-fifth sixty-ninth ty + tieth Say the numbers. Presentation Most ordinal numbers are made by adding “-th” to the cardinal numbers, except for one, two and three. 9 Tell the dates. Betty — 2nd January S1: When is Betty’s birthday S2: It is on the second of January. David — 30th September Cindy — 16th June Alan — 3rd March on the thirtieth of September on the sixteenth of June on the third of March We use ordinal numbers to tell the dates. Practice 10 Learn the language. Fractions 1 6 A fraction is: a part of a whole a part of a collection Presentation 11 one two third third s one third two thirds numerator denominator If a numerator is over 1, we need to add “s” after the denominator. Ordinal numbers Cardinal numbers Presentation 12 Learn the language. Note these special fractions. a/one half a/one quarter three quarters 1 4 3 4 Presentation 13 Learn the language. Say the mixed fraction. two one fifth and Presentation 14 2 Say the fractions. one eighth seven twelft ... ...
