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Yang, Der-Ching; Lin, Yung-Chi – Journal of Education and Learning, 2015
The purpose of this study was to use calculator-assisted instruction to help two fifth-grade low-achievers learn number sense. The research process includes three stages: (1) pre-test interview to detect what kinds of number sense the students did not have; (2) calculator-assisted instruction to help them develop number sense; and (3) post-test…
Descriptors: Foreign Countries, Elementary School Mathematics, Elementary School Students, Grade 5
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Yang, Der-Ching; Lai, Meng-Lung; Yao, Ru-Fen; Huang, Yueh-Chun – Journal of Education and Learning, 2014
This study aimed to examine the effects of remedial instruction on low-SES & low-math first graders' basic mathematics competence as well as their interest and confidence in mathematics learning. Fourteen participants of low-SES & low-math were selected from two classes totaling fifty-seven first graders at a public elementary school in…
Descriptors: Foreign Countries, Remedial Mathematics, Remedial Instruction, Socioeconomic Status
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Yang, Der-Ching; Li, Mao-Neng – Educational Technology & Society, 2013
The purpose of this study was to examine the relative effectiveness of two different learning modes; namely, a computer animation self-directed learning approach and a paper version of the self-directed learning approach, to 5th-graders' number sense development. Two 5th-grade classes, 30 students each, were selected from a public elementary…
Descriptors: Foreign Countries, Elementary School Students, Elementary School Mathematics, Instructional Effectiveness
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Yang, Der-Ching; Wu, Wan-Ru – Journal of Educational Research, 2010
The authors compared the performance of students who received integration of number sense activities in instruction with students who received instruction using regular mathematics textbooks. Two classes of third-grade students (N = 60) were randomly assigned to experimental and control groups. Students in each group were given a pretest, post I…
Descriptors: Experimental Groups, Control Groups, Foreign Countries, Instructional Effectiveness
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Li, Mao-Neng Fred; Yang, Der-Ching – School Science and Mathematics, 2010
To investigate the structure of number sense and then to assess its uses in fifth-grade children's number sense development, a computerized number sense scale was developed and evaluated. The findings of the study indicate that the newly developed scale, with four dominant factors identified and reconfirmed, is internally consistent and…
Descriptors: Test Validity, Foreign Countries, Grade 5, Program Validation
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Yang, Der-Ching; Hsu, Chun-Jen; Huang, Ming-Chiang – International Journal of Science and Mathematics Education, 2004
Two public schools (A and B) from two cities in southern Taiwan were selected to participate in this study. In each school, two sixth grade classes (an experimental and a control class) were studied. Number sense activities were conducted in the experimental classes through process-oriented teaching model to help children develop number sense,…
Descriptors: Foreign Countries, Grade 6, Teaching Methods, Instructional Effectiveness