# Order of operations (age 10+)

Look for and use mathematical structure: exploit the hierarchy of 2-D shapes to deduce properties; use order of operations and algebraic structure to simplify expressions; connect fraction–decimal–percentage equivalences; use ratio structure to solve proportion problems efficiently

Builds on: Decimals and fractions (age 10+) (soft, https://ai.page/c/decimals-and-fractions-age-10/en.md), Fractions, Decimals & Percentages (hard, https://ai.page/c/fractions-decimals-and-percentages/en.md), Classifying shapes by properties (soft, https://ai.page/c/classifying-shapes-by-properties/en.md), Spotting Patterns (soft, https://ai.page/c/spotting-patterns/en.md)

Concept id: order-of-operations-age-10. Subject: maths. Licence: CC BY-SA 4.0.

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