Unit2 There are forty students in our class.(Lesson10) 课件（29张PPT）

课件29张PPT。Lesson Ten 30142 3651041How many teachers? Who are they?
How many bags?
How many books?
What do they want to do?
QuestionsHow many teachers? Who are they?
Answer the questions
How many bags?
We have seventy bags.Answer the questionsHow many books?
We have eighty books.Answer the questionsWhat do they want to do?
They want to ____ _______ in need！helpchildren _____
______________Answer the questions helpchildchildren Let 's help
children in need! childchildrenHappy ________'s Day！ChildrenA. Mother B. Teacher C. Children6.1Hello, everyone!
Let 's help children in need!How many bags do you have？We have seventy bags. bag cat fatjam
_ __→a[?]→[b?g ]
_ [ e ][ i ]sevendesktywindy
_
_ How many books do you have？We have eighty books. book foot goodclassroom
__ ____ →oo[ u ]→ [buk]
__ [ ei ][ i ]eightyHow many ______ do you have?
I have ____ _____.booksfivebooks __________________?
I have ____ _______.balloons do you havefiveballoonsHow manyHow many pencil-boxes do you haveWe have three pencil-boxes _____________________________?
_______________________.
A= 4 B=25 C=35 D=20 E=2
C×E = E×(B+D) = B+C = 70eighty90seventyB×E= A×D =
80sixty6050fifty A×B=100ninetyone hundredLet’s count numbers in tens：Ten, _______, thirty, ______,
_____, sixty, _______, ______,
______, one hundred.twenty forty seventy fiftyeightyninetyQuick answerLet's count.
×25Let's count.
×12×14Let 's help
children in need!Let's do a survey.Let's do a survey.