This instructional bulletin was prepared to assist teachers in planning and presenting the sequence of mathematics topics to slow learners. The course is designed to fulfill the high school graduation requirement of one semester of mathematics in the ninth grade. This course combines simple presentations of topics from modern mathematics with new approaches to the fundamental operations involving whole numbers and positive rational numbers. The mathematical content and the teaching suggestions for this course are designed to provide effective learning opportunities for pupils who previously have had little success in mathematics courses. (RP)