四年级上册英语课件-Unit 2 What's your number Lesson 10-1_人教精通（2014秋）.ppt

1、Unit 2Whats your number?Lesson 10Good morning,class!Good morning,Mr.Zhang.Lets count from one to eighteen.One!Two!Three!Four!Eighteen!Whats eight and nine?Its seventeen.Very good!Whats eight and nine?8 +9=?Its seventeen.?十+Whats nine and nine?Its eighteen.2 +3=?Whats two and three?Its five.5+=?12+=?

2、3+=?Do the exercises:I can say them:Words:plus 加 minus 减 zero 零 Sentence:How much is one plus How much is one plus one?one?一加一是多少？一加一是多少？One plus one is two.One plus one is two.一加一是二。一加一是二。How much is one minus How much is one minus one?one?一减一是多少？一减一是多少？One minus one is zero.One minus one is zero.一一减一是零。减一是零。