TY  - BOOK
TI  - Thinking skills and heuristics workbook for primary levels: level 6 
SN  - 97898144347952
AV  - QA 43 L583 2011 
PY  - 2011///
CY  - Singapore : 
PB  - Singapore Asia Publishers, 
KW  - Mathematics--Problems, exercises, etc.
N2  - The Thinking Skills and Heuristics series focuses on the underlying processes and strategies essential to problem solving. Each book introduces various skills sets and builds upon them as level increases.
ER  -