Middle school students’ construction of quantitative unknowns
نویسندگان
چکیده
Two iterative, after school design experiments with small groups of middle students were conducted to investigate how constructed quantitative unknowns, conceived as values fixed quantities that are not known but can be determined. Students solved problems about an unknown height or length measured in two different units. Of 13 who participated, 6 structured into three levels These a consisting indeterminate number units, each which consisted smaller and they symbolized these relationships their equations. The other 7 Five only the between measurement demonstrating more basic advanced solutions. study shows grappling unknowns is beneficial for students’ construction variable.
منابع مشابه
efl home literacy practices of iranian middle school students: an ethnography
موضوع آموزش زبان انگلیسی و کسب مهارت در آن همواره مورد توجه کارشناسان، خانواده ها و معلمان قرار داشته است. امروزه این مهم، با گسترش نیازها و تنوع کاربرد های آن، بیش از هر زمان دیگری به مطالعه و تحلیل نیاز دارد. بر اساس یک رویکرد فرهنگی- اجتماعی به آموزش و سواد، این مطالعه کیفی در پی آن است تا با شیوه قوم نگاری((ethnography، توصیف و تحلیلی از مجموعه فعالیت های آموزشی در خانه( (home literacy ...
15 صفحه اولRunning Head: TEACHERS’ EXPECTATIONS OF MIDDLE SCHOOL STUDENTS Teachers’ Expectations of Middle School Students
متن کامل
Electronic bullying among middle school students.
PURPOSE Electronic communications technologies are affording children and adolescents new means of bullying one another. Referred to as electronic bullying, cyberbullying, or online social cruelty, this phenomenon includes bullying through e-mail, instant messaging, in a chat room, on a website, or through digital messages or images sent to a cell phone. The present study examined the prevalenc...
متن کاملMiddle School Students' Social Media Use
Cyber bullying, digital identity, impact of digital footprints, and use of inappropriate social media are topics that are gaining attention in K-12 schools. As more schools and school districts are implementing 1-1 and “bring your own technology” initiatives, attention to these topics is becoming increasingly important. A total of 593 middle school students were surveyed about digital footprint...
متن کاملQualitative modeling for middle-school students
Qualitative modeling offers the potential for engaging middleschool students in scientific modeling. This paper discusses the design decisions underlying VModel, a qualitative modeling environment that has been used in several studies in Chicago Public School classrooms. We discuss how these decisions were influenced by the constraints imposed by the conceptual development of the students and t...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: The Journal of Mathematical Behavior
سال: 2021
ISSN: ['1873-8028', '0732-3123']
DOI: https://doi.org/10.1016/j.jmathb.2020.100832