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Direct linkNolan, Caroline; Herbert, Sandra – Mathematics Education Research Journal, 2015
The introduction of linear functions is the turning point where many students decide if mathematics is useful or not. This means the role of parameters and variables in linear functions could be considered to be "threshold concepts". There is recognition that linear functions can be taught in context through the exploration of linear…
Descriptors: Mathematical Concepts, Mathematical Models, Mathematics Instruction, Calculators
Roth, Kathleen; Givvin, Karen B. – Principal Leadership, 2008
Media headlines often announce that U.S. students do not shine in international comparisons in mathematics and science, but seldom does any one focus on the specifics of how instruction differs among countries and how U.S. educators can alter their practices to improve student achievement. Examining key findings from the Third International…
Descriptors: Academic Achievement, Foreign Countries, Science Instruction, Teaching Methods
