Angle Sum Rules

Know that angles at a point sum to 360° (one whole turn), angles on a straight line sum to 180°, and vertically opposite angles are equal; use these facts to find missing angles

Usually learned at ages 9–10

Builds on: Types of angles (age 8+), Degrees and turns

Nothing here yet in this language. Add the first explanation with your AI.

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