执教者:伍惠爱 fourteenfifteensixteenseventeeneighteennineteenfortyfiftysixtyseventyeightyninety十几 teen几十 ty————————————请大家来小结。 算一算。4+5=8+8=40+10=10+30=30+20=30+40=25+15=5+5=9+10=20+50=30+30=40+40=60+30=70+10=50+30=ninefortyseventyfiftytensixteenfortyfiftyninetyseventyeightysixtyeightyeightynineteen 40 yuan How much is it ?It’s _____ yuan.Guess. 猜一猜。¥ 13¥ 25¥ 16¥ 35¥ 28¥ 36 How much is the guitar?It’s $85.It’s eighty-five dollars.It’s 85 dollars $1 = 1 dollar $2 = 2 dollars $3 = 3 dollars …… ¥ 1 = 1 yuan¥ 2 = 2 yuan¥ 3 = 3 yuan ……Compare : 请比较 Thank you.Let’s chant. ChantHow much, how much,How much is the cake?One yuan or two yuan?It’s two yuan.How much, how much,How much is the guitar?One dollar or two dollars?It’s two dollars. Let’s play a game. 井字过三关$85$45$55$65$75$95guitarsofatoy carhatwatchbook模仿例句写句子。How much is the______?It’s _______. Homework:1. Make sentences.2. Read the words and the sentences. Thank you!