Unit 2 What’s your number? Lesson 10 课件

课件13张PPT。Lesson 10seven7eight81718eighteenGood morning, class!Good morning, Mr. Zhang.Let’s count from one to eighteen.One!Two!Three!Four!…Eighteen!What’s eight and nine?It’s seventeen.Very good!What’s eight and nine?
8 + 9 = ?It’s seventeen.?十+What’s nine and nine?It’s eighteen.2 + 3 =?What’s two and three? It’s five.5+ + =?12+ =?3+ =?Do the exercises:I can say them:Words:
plus 加
minus 减
zero 零Sentence:
How much is one plus one?一加一是多少？
One plus one is two.
一加一是二。
How much is one minus one? 一减一是多少？
One minus one is zero.一减一是零。