Master math challenge and solution, from an early 20th century series, curated for curious problem solvers.
This nonfiction collection gathers questions and solutions from the Educational Times, edited by Constance I. Marks, and expands with many papers of its own. It presents a wide cross-section of mathematical topics in a clear, worked‑through format, making it a useful reference for students, teachers, and history of mathematics enthusiasts.
- A broad mix of problems in algebra, geometry, calculus, and number theory, with practical worked solutions.
- Solutions contributed by a distinguished slate of mathematicians and educators.
- Modernized for readability while preserving its historical problem‑solving approach.
- Useful as a study companion or sourcebook for classic methods and techniques.
Ideal for readers who enjoy deep mathematical reasoning, historical problem collections, and classroom-ready worked examples.