Dec 9, 2025
Most Viewedsquare root 123
The principal square root of 123 is an irrational number approximately 11.0905–11.091 depending on rounding; several reputable instructional sites give three‑decimal approximations of 11.090 or 11.091...
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3 resultsDec 11, 2025
How to cross-check arithmetic using distributive property or alternative decompositions?
Distributive expansion — a(b + c) = ab + ac — is the standard, widely taught method for breaking multiplication across addition and subtraction and works for integers, rationals and polynomials; many ...
Dec 3, 2025
How can you teach order of operations with real-world examples involving large numbers like 143, 305, and 70?
Teach order of operations using real-world contexts like shopping totals, recipe scaling and crowd calculations to make rules meaningful; examples that scale to large numbers (e.g., “3 × (14,3? — avai...