Lesson plans for teachers of ninth and tenth grade students contained in this guide are organized according to subject (algebra), instructional topic, career education developmental area, instructional goal, developmental goal, performance objectives, activities, and resource materials. The seven developmental areas of career education are listed and briefly described. Thirty-eight lesson plans are included with such topics as algorithms, solving world problems with whole numbers, application of formulas, formulas and the car, formulas and horsepower, formulas in sports, formulas and the job, laws of inequality, plotting points and graphing, and computer programming. (TA)