25 week enrichment challenge for gifted or regular students offers math enrichment activities to develop logic and reasoning skills while building self-confidence and understanding of mathematics. These weekly challenges, written in only a few words, aim to develop creative and flexible mathematics problem-solving skills. Reproducible activity sheets for each grade include six problems for each week. The wide range of topics includes number sense, estimation, patterns, fractions, geometry, and statistics. The difficulty level for each problem is noted and answers are included.