A BOOKLET DESIGNED FOR ELEMENTARY SCHOOL STUDENTS TO BE USED INDEPENDENTLY FROM AND IN ADDITION TO THE REGULAR CLASSROOM CURRICULUM IN MATHEMATICS IS PRESENTED. ELEMENTARY USES AND CONCEPTS OF PROBABILITY AND STATISTICS ARE EXAMINED. PERMUTATION, COMBINATION, AND PREDICTABILITY ARE PRESENTED IN THE SECTION ON PROBABILITY. THE MEANING OF STATISTICS, THE CONCEPTS OF DATA AND GROUPING, MEASURES OF CENTRAL TENDENCY, AND THE CONCEPT OF RANGE ARE GIVEN IN THE SECTION ON STATISTICS. BOTH SECTIONS INCLUDE PRACTICAL APPLICATIONS AND PROBLEMS. THE TEACHER SHOULD IDENTIFY POTENTIAL USERS, ORIENT THEM TO THE AREAS TO BE EXPLORED, AND STIMULATE AND MAINTAIN THEIR INTEREST IN SUSTAINED INDEPENDENT EFFORT.