11) Obstructions

Welcome to this grade (9th grade – High School 4), which is grade 11 of 25 in The Oswald Rules School. In High School 4 you are going to hear about obstructions.

Please do this:

  1. See the instructional video (section 1 below).
  2. See a video assigment and a video answer (section 2 below).

When you are done, move on to next grade by pressing “Next grade” at the bottom of this site.

1: See the instructional video.

2: See the video below.

View the video assignment (subsection 1 below). Answer the question – and check your answer by watching the next video (subsection 2 below).

1: Question

2: Answer

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3: Move on to next grade.

To move on to next grade, press the button below.

NEXT GRADE