We are now in the age of calculator and computer. The rapid development of new technology is changing our society and having an impact on school mathematics. The aim of this research is to construct the school mathematics curriculum which meets the needs of this changing society. As a first step, in this paper we try to find principles for constructing the curriculum by analyzing "Curriculum and Evaluation Standards for School Mathematics" in the United States.
As a result of this analysis, the following principles are described as guides in rethinking both the goals and contents of school mathematics and the teaching and learning of mathematics.
P 1. To identify what mathematical literacy is needed in the changing society.
P 2. To identify what educational goals are essential to mathematics education.
P 3. To rethink mathematical contents basing on the rethinked educational goals.
P 4. To rethink mathematical contents considering the limited time for instruction.
P 5. To make it clear what mathematics is for students.
P 6. To make it clear how mathematics teacher should help students develop mathematically.
P 7. To check whether teaching practices are consistent with intended educational goals.