The research about the process of research and development achievement, mathematics grade 3 school house household wangsing educational area offices operating in Kanchanaburi 3 district elementary steps, step 4. As follows:
Research The research and development process achievement in mathematics Grade 3 school houses, Wang Sing. Primary Educational Service Area Office, District Kanchanaburi three operating steps are four stages.
The research of The research and development process of mathematics learning achievement of grade 3 school from Wang Singh. Kanchanaburi educational service office area 3 operation steps are 4.As follows.