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Sianturi, Iwan Andi Jonri; Ismail, Zaleha; Yang, Der-Ching – School Science and Mathematics, 2021
The purpose of this study is to compare the differences of four essential aspects (i.e., representational forms, contextual features, cognitive demand levels, and response types) embedded in mathematical problems within the topics of numbers and operations in mathematics textbooks used in Finland, Indonesia, Malaysia, Singapore, and Taiwan. This…
Descriptors: Mathematics Instruction, Problem Solving, Numbers, Arithmetic
Lin, Cheng-Yao; Becker, Jerry; Byun, Mi-Ran; Yang, Der-Ching; Huang, Tsai-Wei – School Science and Mathematics, 2013
This study examined (a) the differences in preservice teachers’ procedural knowledge in four areas of fraction operations in Taiwan and the United States, (b) the differences in preservice teachers’ conceptual knowledge in four areas of fraction operations in Taiwan and the United States, and (c) correlation in preservice teachers’ conceptual…
Descriptors: Preservice Teachers, Mathematics, Knowledge Level, Correlation
Luo, Fenqjen; Lo, Jane-Jane; Leu, Yuh-Chyn – School Science and Mathematics, 2011
The purpose of this paper is to show the similarities as well as the differences of fundamental fraction knowledge owned by preservice elementary teachers from the United States (N = 89) and Taiwan (N = 85). To this end, we examined and compared their performance on an instrument including 15 multiple-choice test items. The items were categorized…
Descriptors: Preservice Teacher Education, Preservice Teachers, Test Items, Multiple Choice Tests
Yang, Der-Ching; Reys, Robert E.; Wu, Li-Lin – School Science and Mathematics, 2010
This research examined the presentation of fractions in textbooks used by fifth and sixth graders in Singapore, Taiwan, and the United States. The specific textbooks examined were "My Pals Are Here! Maths" (MPHM) in Singapore; "Kung Hsung" (KH) in Taiwan; and "Mathematics in Context" (MiC) in the USA. Results show the…
Descriptors: Textbooks, Foreign Countries, Grade 6, Mathematics Instruction
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