Rough teaching methods

33 mins 21 secs

1 hour 51 mins 30 secs

20 mins 47 secs

4 mins 3 secs

4 mins

5 mins 3 secs

31 mins 20 secs

6 mins 25 secs

8 mins 11 secs

8 mins 11 secs

6 mins 2 secs

9 mins 15 secs

20 mins 6 secs

2 mins 41 secs

6 mins 13 secs

8 mins

13 mins 29 secs

2 mins 7 secs

46 mins 25 secs

19 mins 41 secs

17 mins 26 secs

6 mins 58 secs

7 mins

39 mins 1 sec

8 mins 26 secs

8 mins

8 mins 1 sec

5 mins 8 secs

10 mins

25 mins 19 secs

10 mins

41 mins 38 secs

23 mins 37 secs

16 mins 28 secs

11 mins 54 secs

25 mins 24 secs

8 mins

10 mins 39 secs

49 mins 56 secs

13 mins 49 secs