10 rigorous, competition-style math problems designed to stretch elementary students' thinking! 🧠✏️This challenging math problem set features 10 carefully crafted word problems spanning arithmetic, algebra, geometry, logic, and number theory — written in the style of real math competition team rounds. A full solutions guide is included, with step-by-step explanations for every question. Topics Covered: Age and relationship word problemsAlgebraic expressions and year-based number patternsSys