1. Mathematics is defined as both the science of numbers and space, as well as the science of measurement, quantity and magnitude.
2. Mathematics has various values including utilitarian, cultural, social, recreational, disciplinary, intellectual, aesthetic, vocational, and moral values.
3. Key aims in teaching mathematics include enabling students to solve daily life problems, understand mathematics' role in culture and civilization, develop thinking and reasoning skills, and prepare students for further education and careers that involve mathematics.