Adding and subtracting (age 10+)

Solve addition and subtraction multi-step problems in contexts, deciding which operations and methods to use and why, with numbers up to 10,000,000 and decimals

Usually learned at ages 10–11

Builds on: Adding and subtracting (age 9+), Reading and writing numbers to 10,000,000, Addition and subtraction strategies (age 10+) (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