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三年级下册《Unit 7 There is a TV in the classroom. Unit 7 There is a TV in the classroom.（通用）》优秀ppt课件
What is A and B?
A and B IS C
We’ve learned numbers from one to ten. let’s learn more numbers from eleven to twenty.
Part B Let’s count
11
12
13
17
16
15
14
18
19
20
How many blackboards?
How many doors?
How many desks and chairs?
How many books?
Part A Look and count
A:What is seven and eight?
B:Seven and eight is fifteen.
Let’s do quickly
8+6=？ 12+4=？ 10+8=？ 13+4=？
14+5=？ 11+9=？ 8+7=？ 6+7=？
3+9=？ 6+5=？ 4+8=？ 9+9=？