Foundations of Algebra
Alg 1 · Unit 1
Order of Operations & Substitution
Precision conventions
Curriculum standard — Understand stage of the Thinking Ladder
Concept first
Order of Operations & Substitution begins with meaning — what it is and why it holds — before any procedure. The structure comes first; computation follows.
Definition
Order of Operations & Substitution
The precise meaning of this topic, stated in mathematical terms.
A plain-language restatement so the definition is understood, not just memorized.
Three pathways, one topic