Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Geometric problem solving - Higher Geometric problems can be solved using the rules for adding and subtracting vectors and multiplying vectors by a scalar .

Planning for the problem-solving unit was nothing out of the ordinary; teachers planned the unit in a way similar to their normal instruction. Teachers had a limited knowledge of teaching techniques; ...