1. Making a number

2. Aims:
Know all the ways to make 10.
Know the roles of making 10.
3.Make the number from 1 to 10.

3. Let’s start ! 情景

4. 2、How many rooms on each floor？
1、How many floors ？ 11
2、How many rooms on each floor？ 10

5. Let’s continue
探究一
探究二
探究三

6. How many rooms’ lights are on and how many rooms’s are off?10
What do you find?
How to remember them？
探究一
探究二
探究三

7. 10 9 8 7 6 5 4 3 2 1 10 1 2 3 4 5 6 7 8 9 10 1 9 2 8 3 7 4 6 5
探究一
探究二
探究三

8. 1.From big to small（counting down）. 2.From small to big（counting up）.
Conclusion：
1.From big to small（counting down）.
2.From small to big（counting up）.
3.By couples.
探究一
探究二
探究三

9. Fill in the blanks 5
探究一
探究二
探究三

10. Fill in the blanks 5 1 2 3 4 5 5 4 3 2 1
探究一
探究二
探究三

11. Fill in the blanks 5 5 4 3 2 1 1 2 3 4 5
探究一
探究二
探究三

12. How to sure that no one is left?7
探究一
探究二
探究三

13. 7 7 7 How to sure that no one is left? 6 5 4 3 2 1 6 5 4 3 2 1 6 1 5 27 6 5 4 3 2 1 7 6 1 5 2 4 3
探究一
探究二
探究三

14. Practice
练习一
练习二
练习三

15. Exercise 1
Fill in the blanks 6 4 3
练习一
练习二
练习三

16. Exercise 1 4 1 2 3 4 1 2 3 4 1 3 2
练习一
练习二
练习三

17. Exercise 1 6 1 2 3 4 5 6 1 2 3 4 5 6 1 5 4 2 3
练习一
练习二
练习三

18. Exercise 2
Who is the winner? A B C
练习一
练习二
练习三

19. Conclusion:
To make a number within 10,we can
1.From big to small(counting down).
2.From small to big.(counting up).
3.By couples.