| The role of central conceptual structures in the development of children's thought R Case, Y Okamoto, S Griffin, A McKeough, C Bleiker, B Henderson, ... Monographs of the society for research in child development, i-295, 1996 | 913 | 1996 |
| The affective and cognitive dimensions of math anxiety: A cross-national study HZ Ho, D Senturk, AG Lam, JM Zimmer, S Hong, Y Okamoto, SY Chiu, ... Journal for research in Mathematics Education 31 (3), 362-379, 2000 | 504 | 2000 |
| II. Exploring the microstructure of children's central conceptual structures in the domain of number Y Okamoto, R Case Monographs of the Society for research in Child Development 61 (1-2), 27-58, 1996 | 310 | 1996 |
| Developing Effective Fractions Instruction for Kindergarten through 8th Grade. IES Practice Guide. NCEE 2010-4039. R Siegler, T Carpenter, F Fennell, D Geary, J Lewis, Y Okamoto, ... What Works Clearinghouse, 2010 | 298 | 2010 |
| Developing Effective Fractions Instruction for Kindergarten through 8th Grade. IES Practice Guide. NCEE 2010-4039. R Siegler, T Carpenter, F Fennell, D Geary, J Lewis, Y Okamoto, ... What Works Clearinghouse, 2010 | 297 | 2010 |
| First graders' cognitive representation of number and understanding of place value: Cross-national comparisons: France, Japan, Korea, Sweden, and the United States. IT Miura, Y Okamoto, CC Kim, M Steere, M Fayol Journal of educational psychology 85 (1), 24, 1993 | 296 | 1993 |
| Effects of language characteristics on children's cognitive representation of number: Cross-national comparisons IT Miura, CC Kim, CM Chang, Y Okamoto Child development, 1445-1450, 1988 | 263 | 1988 |
| Comparisons of US and Japanese first graders' cognitive representation of number and understanding of place value. IT Miura, Y Okamoto Journal of Educational Psychology 81 (1), 109, 1989 | 190 | 1989 |
| Comparisons of children's cognitive representation of number: China, France, Japan, Korea, Sweden, and the United States IT Miura, Y Okamoto, CC Kim, CM Chang, M Steere, M Fayol International Journal of Behavioral Development 17 (3), 401-411, 1994 | 176 | 1994 |
| Teaching science in five countries: Results from the TIMSS 1999 video study: Statistical analysis report KJ Roth US Department of Education, National Center for Education Statistics, 2006 | 157 | 2006 |
| Language supports for children's understanding of numerical fractions: Cross-national comparisons IT Miura, Y Okamoto, V Vlahovic-Stetic, CC Kim, JH Han Journal of Experimental Child Psychology 74 (4), 356-365, 1999 | 116 | 1999 |
| Understanding gaps in research networks: using “spatial reasoning” as a window into the importance of networked educational research CD Bruce, B Davis, N Sinclair, L McGarvey, D Hallowell, M Drefs, ... Educational Studies in Mathematics 95, 143-161, 2017 | 112 | 2017 |
| Language supports for mathematics understanding and performance IT Miura, Y Okamoto The development of arithmetic concepts and skills, 251-264, 2013 | 101 | 2013 |
| First-graders’ spatial-mathematical reasoning about plane and solid shapes and their representations DA Hallowell, Y Okamoto, LF Romo, JR La Joy ZDM 47, 363-375, 2015 | 64 | 2015 |
| Comparing US and Japanese elementary school teachers' facility for linking rational number representations BJ Moseley, Y Okamoto, J Ishida International Journal of Science and Mathematics Education 5, 165-185, 2007 | 55 | 2007 |
| Prospective secondary mathematics teachers’ understanding and cognitive difficulties in making connections among representations K Moon, ME Brenner, B Jacob, Y Okamoto Mathematical Thinking and Learning 15 (3), 201-227, 2013 | 49 | 2013 |
| The development of spatial reasoning in young children Y Okamoto, D Kotsopoulos, L McGarvey, D Hallowell Spatial reasoning in the early years, 15-28, 2015 | 45 | 2015 |
| Individual variability and consistency in cognitive development: New evidence for the existence of central conceptual structures. R Case, Y Okamoto, B Henderson, A McKeough Karger, 1993 | 43 | 1993 |
| Mental rotation ability in relation to self-perceptions of high school geometry LM Weckbacher, Y Okamoto Learning and Individual Differences 30, 58-63, 2014 | 42 | 2014 |
| Modeling children's understanding of quantitative relations in texts: A developmental perspective Y Okamoto Cognition and Instruction 14 (4), 409-440, 1996 | 42 | 1996 |
