| Summary: | 碩士 === 國立臺南大學 === 數學教育學系 === 90 === This study carries out teaching design by constructivism study ideal and emphasizing the presenting of problem-solving activity of the students to develop and construct a computer-assisted instruction system of network elementary school children math division conception. On the system construction, we provide the learner with diversified tools of thinking hard so that he can select the needed tool to solve problem by hard-thinking activity. Furthermore, especially consider the mutual relation between the learner and the system, namely, transfer the hard-thinking activity of the learner, make use of network technology and virtual study environment to make the learner, online user and virtual students communicate and discuss, and then repeatedly inspect the conception for the user by the system so as to await the learner can actively construct correct conception to reach the construction teaching ideal.
After the system is constructed, carry out experiment teaching, which aims is to compare the two different teaching mode of “ Network construct computer-assisted teaching” and “ Classroom teaching”, compare the study achievements difference of the students of grade two of the primary school in studying division, and proverb the attitude and response of the students of experiment group after studying math by “ Network construction computer-assisted teaching”.
The experiment research takes the system estimation study methods as quasi-experimental design and the experiment adopts nonequivalent -control group design. The experiment takes 67 students, who are from the two classes of grade two of some primary schools in Tainan County as samples. One class is experimental group, who carries out “Network construction computer-assisted teaching”; the other class is control group, who carries out “Classroom teaching”. The time of experiment teaching is two weeks, twice one week, 40 minutes once. After experiment teaching, implement division study achievement examination, and carry out questionnaire of study attitude and response for the students who takes “ Network construction computer-assisted teaching”. Analyze all information by the statistics software, and get the following important founding:
1. In the examination of dealing with division questions, the achievement of the experimental group students is remarkably more excellent than that of the control group students.
2. For low-score group students, the achievement of experimental group students is remarkably more excellent than that of control group students in the examination of division questions, so this network CAI system is effective to improve the study achievements of the low-score group students.
3. The experimental group students have a positive study attitude and response for this system.
4. Network construction computer-assisted teaching system can arose the studying motive of the students and stimulate them to consider.
5. The presenting of problem-resolving activity and establishing of thinking toolbox help the students to resolve problems and think, and has beneficial functions.
6. According to constructivism study theory, develop CAI software and construct it on the network to achieve communication and discussion study mode in constructivism by network real-time and asynchronous communication information. And this mode is a feasible teaching mode and deserved to be developed.
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