5. The points P, Q, R, S, T, U, A and B on the number line are such that, TR = RS = SU and AP = PQ = QB. Name the rational numbers represented by P, Q, R and S. P ...

Merlyn J. Behr, Helen A. Khoury, Guershon Harel, Thomas Post and Richard Lesh This study explores preservice teachers' understanding of the operator construct of rational number. Three related ...

Fourth-grade students' understanding of the order and equivalence of rational numbers was investigated in 11 interviews with each of 12 children during an 18-week teaching experiment. Six children ...