Rough teaching methods

4 mins 3 secs

1 hour 3 mins 11 secs

4 mins

4 mins

3 mins 59 secs

5 mins 3 secs

27 mins 25 secs

31 mins 20 secs

27 mins 45 secs

7 mins 28 secs

24 mins 7 secs

14 mins 4 secs

6 mins 25 secs

8 mins 11 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

1 hour 1 min 19 secs

8 mins

10 mins 22 secs

13 mins 29 secs

46 mins 25 secs

19 mins 41 secs

17 mins 26 secs

38 mins 20 secs

5 mins 15 secs

6 mins 58 secs

7 mins

8 mins

8 mins 1 sec

16 mins 50 secs

25 mins 19 secs

10 mins

6 mins 15 secs

13 mins 24 secs

20 mins 38 secs

25 mins 24 secs