北京版英语三上 Unit 6 I have fifty markers(3) PPT课件

这是一份北京版英语三上 Unit 6 I have fifty markers(3) PPT课件，共31页。
Unit 6 I have fifty markers(3)北京版英语三上Let’s sing.What are the missing numbers? Let’s guess.Let’s review.Let’s look and think.Where are the children? blackboardThey are in the classroom.board blackLet’s look and think. blackboardWhat are they doing? They are playing number games. Let’s watch and think.What are they doing? Let’s watch and think.What do they say? Let’s listen and say.What does Lala ask? Look at the numbers on the blackboard: 50,60,__,__,90. Who can guess the missing numbers? Can you guess the missing numbers? Let’s listen and say.What does Baobao say? 50 10 60 60 10 70 Let’s listen and say.Let’s tell.50，60，__，__，90Fifty plus ten is sixty.7080What are the missing numbers? Why? Sixty plus ten is seventy.Seventy plus ten is eighty.Eighty plus ten is ninety.Let’s look and think.What are the missing numbers? Let’s listen and say.What do they say? Let’s listen and say.One hundred minus ten is ninety. 100 10 90 What do they say? one hundred hundred(百)Let’s listen and say.One hundred minus ten is ninety. Ninety minus ten is eighty. So the missing numbers are eighty and seventy. Well done! 90 10 80 What do they say? 100 10 90 Let’s tell.100，90，___，__，60One hundred minus ten is ninety.7080Why? Ninety minus ten is eighty.Eighty minus ten is seventy.Seventy minus ten is sixty.What are the missing numbers? Let’s listen and repeat.Page 46Let’s read in roles.Let’s read in roles.Let’s play.??Let’s play.Fifty plus ten is sixty.What does Baobao say? ??Let’s play.One hundred minus ten is ninety.What does Lingling say? ?Let’s play.Seventy plus twenty is ninety.What is seventy plus twenty?70 20 70 20 90 Let’s play.Seventy plus twenty is ninety.What is seventy plus twenty?70 20 70 20 90 50 What is seventy minus twenty?Seventy minus twenty is fifty.Can you do it?A minus B is 50. A is 70. B is____. A plus B is 100. A is 60. B is____. Let’s play.100 60 B A plus B is 100. A is 60. B is____. 40 B 40 A B 100 Let’s play.60 70 50 B A plus B is 100. A is 60. B is____. A minus B is 50. A is 70. B is____. 40 B 20 A B 50 Let’s play.70 20 Let’s summarize.Fifty plus ten is sixty.One hundred minus ten is ninety.70 seventy 80 eighty 90 ninety 100 one hundred blackboard 1. Read the dialog on page46.2. Read, think and write.HomeworkGoodbye !