Challenge middle‑grade learners with 200 advanced Calcudoku (KenKen/MathDoku) puzzles that build mental arithmetic, deduction, and perseverance. Includes a print‑ready PDF, high‑resolution images, an editable PowerPoint, and complete solutions—ideal for enrichment, early finishers, math clubs, bell ringers, and sub plans. What’s Included- 200 student‑ready 8×8 Calcudoku puzzles in a clean, print‑friendly PDF. - Complete answer keys matching puzzle order for fast grading and self‑check. - Hi