21) Substitute Ball

Welcome to this grade (University 3), which is grade 21 of 25 in The Oswald Rules School. In University 3 you are going to hear about substituting the ball.

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.

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