Procedure
This study was research and development (R & D) including the following steps:
Phase 1 (R): Construct the system from situation, problems, and needs in developing the system in
Mathematics learning Substance as well as documentary research to synthesize the definition, and system.
Phase 2 (D): Investigate quality of system by 5 experts considering standard of Joint Committee on
Standards for Educational Evaluation (1994) including: utility, feasibility, propriety, and accuracy.
Knowledge
Thinking Skill
Desired
Characteristics
Sharing between
Teachers1968 Putcharee Junpeng / Procedia - Social and Behavioral Sciences 69 ( 2012 ) 1965 – 1972