one two three four five six seven eight nine ten eleven twelvethirteenfourteenfifteensixteenseventeeneighteennineteentwentythirtyfortyfiftysixtyseventyeightyninetytwenty-one … twenty-ninethirty-one … thirty-nineforty-one … forty-ninefifty-one … fifty-ninesixty-one … sixty-nineseventy-one … seventy-nineeighty-one … eighty-nine ninety-one … ninety-ninehundredLearn these numbers and find out the rules:1: 1---12: ( 记住每个单词 ) 2: 13---19: -teen (thir-, fif-, eigh-)3: 20---90: -ty (twen-, thir-, for-, fif-, eigh-)4: 21---99: 十位__个位5: 100---900: _______ hundred 6: 101---999: _______ hundred and __个位十位____ 个位小结 :Unit7How much are these socks?We should buy the right things , not only the dear ones! 只买对的，不买贵的。Save money ！节约用钱！Spend money properly ！合理消费！Read the ad Mr. Cool’s Clothes Store Come and buy your clothes at our great sale! We sell all our clothes at very good prices. Do you like sweaters? We have green sweaters for only $15! Yellow sweaters are only $12! Do you need trousers? For boys, we have black trousers for only $22. And shorts are only $16! For girls, we have skirts in purple for only $20. How much are our jackets? Only $30! And we have black shoes for only $28. Socks are only $2 for three pairs! Come to Mr. Cool’s Clothes Store now! 2bRead the ad and fill in the price tags.( 读广告，填标签。） $15$15$12$22$16Green sweaters are only 15 dollars.Read the ad and fill in the price tags.( 读广告，填价签）$20$30$28 $2（ for three pairs ）Read the ad and fill in the price tags.( 读广告，填价签）Green sweaters are only 15 dollars.Read the ad again and answer the questions.( 再读一遍广告回答下列问题 )1.For boys, what color trousers do they have?How much are they?2.For girls, ...
