This book features 34 reproducible student activities exploring textile design through a combination of mathematics, art, and multicultural education. Using colorful squares and triangles, students explore geometry, numbers, area, fractions, logic, and discrete mathematics, while incorporating multicultural themes in the study. The teacher page for each student activity includes facts about a culture, a mathematics problem challenge, a description of the activity, possible solutions, and questions for class reflection and discussion. Seven cultures from around the world are represented, including: (1) Colonial America; (2) Amish; (3) Navajo; (4) African; (5) Hmong (Thailand); (6) Mayan (Guatemala); and (7) Maori (New Zealand). Contains a total of 40 references. (EH)