| Summary: | 碩士 === 國立臺中教育大學 === 數學教育學系在職進修教學碩士學位班 === 100 === The purpose of this research is to investigate the effect of learning performance and perception of the third graders who learned fractional concept with interactive whiteboard (IWB). The study is based on nonequivalent quasi-experimental design. The subjects are 51 third graders from two different classes in an elementary school of Taichung City. The experimental group with 24 students took course with IWB, and the control group with 27 students took the same course with traditional blackboard. Both groups accepted “fractional concept achievement test” which was compiled by the researcher as pretest and posttest. After experimental teaching, the data was analyzed with SPSS 12.0, and the experimental group students accepted semi-structured interview to understand their mistake styles and perception. The main results are as follows.
1.After experimental teaching, the performance in fractional concept of the experimental group was better than the control group.
2.After experimental teaching, the performance in fractional concept of the experimental group had obviously different from the control group.
3.The experimental group students had obvious difference after teaching.
4.Most experimental group students had positive attitudes toward learning with IWB.
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