And another one of the problems of the teaching grade 4 is not teaching, because when there is any activity. There is time to pull back from the usual 50 minute lessons learning only 30 minutes.
And another problem of teaching Grade 4 is not teaching. When the various activities Shorten the time from regular class periods of 50 minutes to 30 minutes.
Another problem of teaching grade 4 is teaching time. Because when the activities. A time-lapse from experimental periods each 50 minutes only 30 minutes.