Simple Fraction Sums

Add and subtract fractions with the same denominator within one whole (e.g. 5/7 + 1/7 = 6/7)

Usually learned at ages 7–8

Builds on: Fractions on a number line, Addition as combining or putting together two (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