DOI QR코드

DOI QR Code

학생의 수직선을 이용한 분수 문제 해결 전략에 대한 예비 초등교사들의 이해 분석

An analysis of understanding of prospective elementary teachers on students' strategies for fraction tasks with number lines

  • 투고 : 2022.08.06
  • 심사 : 2022.08.17
  • 발행 : 2022.08.31

초록

교사가 학생의 문제 해결 전략을 이해하고 이에 적절한 피드백을 제공하는 것은 중요하다. 본 연구는 64명의 예비 초등교사들을 대상으로 수직선을 이용한 분수 문제에 대한 초등학생들의 해결 전략을 제시하고 이를 통해 알 수 있는 학생들의 이해와 지도 방안을 서술하게 하는 검사를 실시하고 분석하였다. 본 연구를 통한 결과는 다음과 같다. 첫째, 예비교사들은 초등학생들의 해결 전략을 통하여 아는 것과 모르는 것을 다양한 수준에서 설명할 수 있었다. 둘째, 예비교사들은 학생들의 해결 전략에서 드러난 오류를 교정하기 위한 지도 방안으로 측정으로서의 분수 개념을 강조하는 다양한 수직선 과제 및 활동을 제시하거나 영역모델만을 활용하는 모습을 확인할 수 있었다. 이와 같은 연구 결과를 고려하여, 예비교사들이 학생들의 문제 해결 전략을 분석하고 학생들의 수학적 사고를 이해할 수 있는 기회와 다양한 분수 모델을 수업에 활용할 수 있는 지도 방안에 대해 논의할 수 있는 기회를 가질 수 있도록 예비교사교육에서 고려할 필요가 있다.

With the importance for teachers of understanding students' strategies and providing appropriate feedback to their students, the purpose of this study is to analyze how prospective elementary teachers interpret and respond students' strategies for fraction tasks with number lines. The findings from analysis of 64 prospective teachers' responses were as follow. First, the prospective teachers in general could identify the students' understanding and errors based on their strategies, however, some prospective teachers overgeneralized students' mathematical thinking at a superficial level. Second, the prospective teachers could pose diverse tasks or activities for revising the students' errors, while some prospective teachers tried to correct students' errors by using only the area models. Based on these results, this study suggests for prospective teachers to have opportunities to understand elementary students' diverse problem strategies and to consider teaching methods with different fraction models.

키워드

참고문헌

  1. Bobis, J., & Bobis, E. (2005). The empty numberline: Making children's thinking visible. In M. Coupland, J. Anderson, & T. Spencer (Eds.), Making mathematics vital: Proceedings of the 20th biennial conference of the Australian Association of Mathematics Teachers (pp. 66-72). Sydney: AAMT.
  2. Charalambos, Y., & Pitta-Pantazi, D. (2007). Drawing on a theoretical model to study students' understandings of fractions. Educational Studies in Mathematics, 64, 293-316. https://doi.org/10.1007/s10649-006-9036-2
  3. Cho, J., Kim, S., & Lee, D. (2019). Prospective teachers' perception on the teaching sequence of multiplication and division of fractions and decimal numbers. Journal of Elementary Mathematics Education in Korea, 23(1), 1-17.
  4. Choi, E. (2016). Proportional reasoning strategy of pre-service elementary teachers. Journal of Elementary Mathematics Education in Korea, 20(4), 601-625.
  5. Choi, S. (2020). Teacher-student interaction patterns and teacher's discourse structures in understanding mathematical word problem. The Mathematical Education, 59(2), 101-112. https://doi.org/10.7468/mathedu.2020.59.2.101
  6. Common Core State Standards for Mathematics (2010). Common core state standards for mathematics. Washington, DC: Author. Retrieved from http://www.corestandards.org/the-standards/mathematics.
  7. Cramer, K., Ahrendt, S., Monson, D., Wyberg, T., & Miller, C. (2017). Making sense of third-grade students' misunderstandings of the number line. Investigations in Mathematics Learning, 9(1), 19-37. https://doi.org/10.1080/19477503.2016.1245035
  8. Cramer, K., Wyberg, T., & Leavitt, S. (2008). The role of representations in fraction addition and subtraction. Mathematics Teaching in the Middle School, 13(8), 490-497. https://doi.org/10.5951/mtms.13.8.0490
  9. Crespo, S. (2002). Praising and correcting: Prospective teachers investigate their teacherly talk. Teaching and Teacher Education, 18(6), 739-758. https://doi.org/10.1016/s0742-051x(02)00031-8
  10. Creswell, J. W., & Poth, C. (2017). Qualitative inquiry and research design: Choosing among five approaches. Sage.
  11. Hackenberg, A. J. (2013). The fractional knowledge and algebraic reasoning of students with the first multiplicative concept. Journal of Mathematical Behavior, 32(3), 538-563. https://doi.org/10.1016/j.jmathb.2013.06.007
  12. Hackenberg, A. J., Norton, A., & Wright, R. J. (2016). Developing fractions knowledge. Sage.
  13. Hannula, M. S. (2003). Locating fraction on a number line. In N. A. Pateman, B. J. Dougherty & J. Zilliox (Eds.), Proceedings of the 2003 joint meeting of the PME and PMENA (pp. 17-24). Hawaii: University of Hawaii.
  14. Izsak, A., Tillema, E., & Tunc-Pekkan, Z. (2008). Teaching and learning fraction addition on number lines. Journal for Research in Mathematics Education, 39(1), 33-62.
  15. Jacobs, V. R., Lamb, L. L. C., & Philipp, R. A. (2010). Professional noticing of children's mathematical thinking. Journal for Research in Mathematics Education, 41(2), 169-202. https://doi.org/10.5951/jresematheduc.41.2.0169
  16. Kara, F., & Incikabi, L. (2018). Sixth grade students' skills of using multiple representations in addition and subtraction operations in fractions. International Electronic Journal of Elementary Education, 10(4), 463-474. https://doi.org/10.26822/iejee.2018438137
  17. Keijzer, R., & Terwel, J. (2003). Learning for mathematical insight: A longitudinal comparative study on modelling. Learning and instruction, 13(3), 285-304. https://doi.org/10.1016/s0959-4752(02)00003-8
  18. Kilpatrick, J., Swafford, J., & Findell, B. (2001). Adding it up: Helping children learn mathematics. National Academies Press. https://doi.org/10.17226/9822
  19. Kim, J. (2022). An analysis of elementary students' understanding of number line: Focused on concept of fractions and addition and subtraction of fraction. Education of Primary School Mathematics, 25(3), 213-232. https://doi.org/10.7468/jksmec.2022.25.3.213
  20. Kim, Y. G., & Hong, J-K. (2017). Difficulty of understanding and using the number line by elementary school students. Communications of Mathematical Education, 31(1), 85-101. https://doi.org/10.7468/jksmee.2017.31.1.85
  21. Lakoff, G., & Nunez, R. (2000). Where mathematics comes from: How the embodied mind brings mathematics into being. Basic Books. https://doi.org/10.1353/lan.2002.0031
  22. Lee, S. M. (2010). A survey on the understanding of the number line of fourth, fifth, and sixth graders in elementary school [Master's thesis]. Korean National University of Education.
  23. Lemmo, A., Branchetti, L., Ferretti, F., Maffia, A., & Martignone, F. (2015). Students' difficulties dealing with number line: A qualitative analysis of a question from national standardized assessment. Quaderni di Ricerca in Didattica (Mathematics), 25(2), 149-156.
  24. Milewski, A., & Strickland, S. (2016). Toward developing a common language for describing instructional practices of responding: A teacher-generated framework. Mathematics Teacher Educator, 4(2), 126-144. https://doi.org/10.5951/mathteaceduc.4.2.0126
  25. National Council of Teachers of Mathematics (2000). Principles and standards for school mathematics.
  26. Norton, A., & Wilkins, J. L. M. (2012). The splitting group. Journal for Research in Mathematics Education, 43(5), 557-583. https://doi.org/10.5951/jresematheduc.43.5.0557
  27. Olive, J. (2011). Fractions on a dynamic number line. In B. Ubuz (Ed.), Proceedings of the 35th conference of the international group for the psychology of mathematics education (Vol. 3, pp. 289-296). Ankara: PME.
  28. Pearn, C., & Stephens, M. (2007). Whole number knowledge and number lines help to develop fraction concepts. In J. Watson & K. Beswick (Eds.), Proceedings of the 30th annual conference of the Mathematics Education Research Group of Australasia. (Vol. 2, pp. 601-610). Hobart: MERGA.
  29. Santagata, R. (2005). Practices and beliefs in mistake-handling activities: A video study of Italian and US mathematics lessons. Teaching and Teacher Education, 21, 491-508. https://doi.org/10.1016/j.tate.2005.03.004
  30. Saxe, G. B., Shaughnessy, M. M., Shannon, A., Langer-Osuna, J. M., Chinn, R., & Gearhart, M. (2007). Learning about fractions as points on a number line. In W. G. Martin, M. E. Strutchens, & P. C. Elliott (Eds.), The learning of mathematics: 69th yearbook (pp. 221-238). National Council of Teachers of Mathematics.
  31. Shaughnessy, M., DeFino, R., Pfaff, E., & Blunk, M. (2021). I think I made a mistake: How do prospective teachers elicit the thinking of a student who has made a mistake? Journal of Mathematics Teacher Education, 24(4), 335-359. https://doi.org/10.1007/s10857-020-09461-5
  32. Skoumpourdi, C. (2010). The number line: An auxiliary means or an obstacle? International Journal for Mathematics Teaching and Learning. https://www.cimt.org.uk/journal/skoumpourdi.pdf
  33. Son, J. W. (2013). How preservice teachers interpret and respond to student errors: Ratio and proportion in similar rectangles. Educational Studies in Mathematics, 84(1), 49-70. https://doi.org/10.1007/s10649-013-9475-5
  34. Son, J. W. (2016). Preservice teachers' response and feedback type to correct and incorrect student-invented strategies for subtracting whole numbers. The Journal of Mathematical Behavior, 42, 49-68. https://doi.org/10.1016/j.jmathb.2016.02.003
  35. Son, T., & Hwang, S. (2021). Examining teachers' noticing competency on students' problem-solving strategies: Focusing on errors in fraction addition and subtraction with uncommon denominators problems. Mathematics Education, 60(2), 229-247.
  36. Son, J., & Sinclaire, N. (2010). How preservice teachers interpret and respond to student geometric errors. School Science and Mathematics, 110(1), 31-46. https://doi.org/10.1111/j.1949-8594.2009.00005.x
  37. Steffe, L. P. (2002). A new hypothesis concerning children's fractional knowledge. Journal of Mathematical Behavior, 20, 267-307. https://doi.org/10.1016/s0732-3123(02)00075-5
  38. Sunwoo, J., & Pang, J. (2020). How do prospective elementary school teachers respond to students' mathematical thinking? Journal of Educational Research in Mathematics, 30(4), 751-772. https://doi.org/10.29275/jerm.2020.11.30.4.751
  39. Tunc-Pekkan, Z. (2015). An analysis of elementary school children's fractional knowledge depicted with circle, rectangle, and number line representations. Educational Studies in Mathematics, 89(3), 419-441. https://doi.org/10.1007/s10649-015-9606-2
  40. Yanik, B., Helding, B., & Flores, A. (2008). Teaching the concept of unit in measurement interpretation of rational numbers. Elementary Education Online, 7(3), 693-705.