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Jacques Chaumette

Jacques Chaumette a créé une publication, 1 mars 2019 15:40
Alternative method for subtraction regrouping

In elementary school (Germany) I also learned another method (besides the one here: https://www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-subtract-within-100/v/introduc...
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Jacques Chaumette a ajouté un commentaire, 6 février 2019 21:48
I think you should be awarded a low amount for explainatory material, e.g. articles and videos. The problem sets and unit tests should be the real source of energy points. After all, teachers in sc...
Jacques Chaumette a ajouté un commentaire, 6 février 2019 21:14
Good idea, however a bookmarking system could also help.