Digit Delight: Problem-solving Activities Using 0 through 9
Don S. Balka · The Arithmetic Teacher · 1988
Number puzzles of all kinds offer intriguing challenges to elementary and junior high school students. As the title suggests, this article presents several problem-solving activitie involving only the digits 0 through 9. For classroom use, sets of ten ceramic tiles (each 1-inch square) can be inexpensively made using marking pens, or plastic sets called “Try-A-Tiles” can be purchased. Each set can be stored in a small plastic bag for student use. Students will find the direction easy to follow. The teacher's guidance is helpful to direct students' interaction about their strategic and later to discuss maximum and minimum solutions. Problems can be shown on an overhead projector, as bulletin-board puzzles, or on individual sheets in learning centers.