8Lampert M. When the Problem Is Not the Question and the Solution Is Not the Answer: Mathematical Knowledge and Teaching[ G]//Carpenter T Pet al. Classics in Mathematics Ed- ucation Research. Reston, VA : NCTM ,2004 : 152 - 171.
9Marton F, Trigwell K. Variatio Est Mater Studiorum (Variation Is the Mother of Learning) [ R]. Goteborg: The 8th Biennial Conference of the EARLI, 1999.
10Brownett W. The Place of Meaning in the Teaching of Arithmetic [ G ]// Carpenter T Pet al. Classics in Mathematics Education Research. Reston, VA : NCTM,2004:8 - 15.