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Yeo, Joseph B. W. – Australian Mathematics Teacher, 2010
Secondary school students in Singapore are expected to find an expression for the general or "nth" term of an arithmetic progression (AP) without using the AP formula T[subscript n] = a + (n-1)d, where "a" is the first term, "n" is the number of terms and "d" is the common difference between successive…
Descriptors: Foreign Countries, Secondary School Students, Arithmetic, Pattern Recognition