The study of validity and reliability test of (Progress in Maths) 7 for 72- 101 month old children

In this study, validity and reliability study in a sample of Afyonkarahisar Progress in Maths 7 for children of 72-101 months was conducted. Scan the nature of the research work in the universe was composed of children from 72 to 101 months who attend public school in the academic year 2011-2012 in the province of Afyonkarahisar. 384 children selected using by layering method are included to research. For data collection, the children and their families information about the purpose of collecting the "General Information Form" and the reliability and validity for the purpose, Clausen-May, Vappula and Ruddock (2004) developed by the (Progress in Maths 7)" was used. The validity and reliability studies were conducted using the data obtained by the application of Progress in Maths 7. Accordingly, individuals are seen as insufficient to distinguish the necessary corrections have been made in some questions. Applications in the group, Progress in Maths 7 score reliability of Development for Kuder Richardson (KR-20) values were found to be 0.72. In applications, the high number KR-20 values, showed high internal consistency of the test. According to these results Progress in Maths 7 is accepted to be valid and reliable for 72-101 months-Turkish children. Keywords: Primary, Teaching Mathematics, Mathematics Development.