Without question, science and technology has played a more and more critical role in the world economy than ever before. However, the yearly percentage of students in the United States who choose science, technology, engineering, and mathematics (STEM) careers after their graduations from high schools continues to decline. Statis-tics shows that the United States now lags behind much of the world in terms of the percentage of students who want STEM careers when they join the workforce.Mathematics is the foundation of the STEM fields as it essentially provides the knowledge and skills necessary for advancement and innovation in every other STEM field. However, the overall math competence of K-12 school students in the United States is worrisome, because many high school graduates in the United States do not possess good preparation in math to enter the workforce (Texas Instruments, 2006).
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