Choosing representations strategically

Select and use tools and representations strategically: choose between mental methods, formal written methods, protractors, fraction strips, and diagrams based on the demands of the problem

Usually learned at ages 9–10

Builds on: Measuring angles (helps), Choosing mathematical tools, Adding fractions (different denominators) (helps)

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On the map from: Marble Skill Taxonomy (v1), © Generative Spark, Inc. (withmarble.com), text CC BY-SA 4.0, database ODbL 1.0: https://github.com/withmarbleapp/os-taxonomy