Analysis of the Graph Unit for the first grade of Middle School according to the 2015 Revised Mathematics Curriculum

2018 ◽  
Vol 28 (4) ◽  
pp. 501-527
Author(s):  
Bumi Kim ◽  
Yunmin Kim
2018 ◽  
Vol 7 (1) ◽  
pp. 54-65 ◽  
Author(s):  
L. Mutakinati ◽  
I. Anwari ◽  
Y. Kumano

This research is to investigate the students` critical thinking skill by using STEM education through Project Based Learning. The study applied descriptive research design. In these lessons, the participants were 160 first grade Japanese middle school students from four classes. They were divided into nine groups each class. The instruments are worksheets to explore students’ initial knowledge about how to clean up wastewater and critical thinking processes. The worksheet consists of the designing solution, and understanding of concepts to identify critical thinking based on purpose and question, selection of information, assumption, and point of view the solution, and implication. Students were asked to design tools to clean up the wastewater. Students were given more than one chance to design the best product for wastewater treatment. The lessons consist of six lessons. The first lesson is the introduction of colloid, solution, and suspension, and discussion about wastewater. The second lesson to the fourth lesson was finding solutions and designing products. The fifth lesson was to watch a video of wastewater treatments in Japan and to optimize the solutions or products. The last lesson was to make a conclusion, to exchange presentations, and to develop discussion. Implementation of STEM education can be seen from the students` solutions, some students used biology or chemistry or physics or combination concept and Mathematics to design solution (technology) for treatment of wastewater. The result showed that the mean score of students` critical thinking skill was 2.82. The students` critical thinking skill was categorized as advanced thinker: 41.6%, practicing thinker: 30,6%, beginning thinker: 25%, and challenged thinker: 2.8%.  And the category for students` critical thinking was practicing thinker.  Practicing thinker is a stage of critical thinking development, they have enough skill in thinking to critique their own plan for systematic practice, and to construct a realistic critique of their powers of thought to solve the contextual problem.


1998 ◽  
Vol 30 (2) ◽  
pp. 42-48 ◽  
Author(s):  
Robert Reys ◽  
Barbara Reys ◽  
David Barnes ◽  
John Beem ◽  
Ira Papick

1989 ◽  
Vol 82 (9) ◽  
pp. 678-680
Author(s):  
Alfred S. Posamentier

Many mathematics educators perceive that the weakest part of the precollege mathematics curriculum is at the middle school level, more specifically, the years immediately preceding the study of algebra. It seems that in the middle grades the development of mathematics has been put into a “holding pattern.” A quick glance at the curriculum for seventh and eighth grades—or in some cases sixth and seventh gradesshows that much arithmetic is still being taught. Haven't we, or shouldn't we have, completed teaching arithmetic in the previous five or six years? Indeed, how much arithmetic teaching do we need to do in an age of ever-improving calculators (Heid 1988)? Very often students greet a unit in these grades with the now famous comment, “Oh, I had this already.” “Sure,” thinks the teacher, “you may have had it, but have you learned it?” It is clear to many educators that these middle grades are key to turning a student “on” to or “off” from mathematics.


2004 ◽  
Vol 10 (1) ◽  
pp. 6-7
Author(s):  
Margaret Meyer

One of my favorite far side cartoons features Rex the Wonder Dog. Rex is shown balancing an elaborate array of objects while traversing a tightrope on a unicycle. The caption reads, “High above the hushed crowd, Rex tried to remain focused. Still, he couldn't shake one nagging thought: He was an old dog and this was a new trick.” Maybe that cartoon speaks to you the way it does to me. As one of the developers of the middle-grades curriculum Mathematics in Context (MiC), one of the Standardsbased middle school curriculum projects funded by the National Science Foundation, I have used that cartoon many times to describe to teachers, young and old, how it might feel to be a teacher who is about to implement a mathematics curriculum such as MiC. I can usually tell from the nervous laughter that although they might not be old, they recognize that the new Standards-based curricula will require them as teachers to learn “new tricks.”


2000 ◽  
Vol 93 (9) ◽  
pp. 798
Author(s):  
Peggy Kasten

The Delaware 6–12 Exemplary Mathematics Curriculum Implementation (DEMCI) project seeks to substantially scale up from existing pilot projects to implement research-based, standardsdriven mathematics curricula in middle school and high school programs throughout Delaware. This National Science Foundation (NSF)–funded project is a partnership of fourteen Delaware school districts, the University of Delaware, and the Delaware Department of Education. Over the 38-month life of the project, 300 middle school and high school mathematics teachers—nearly two-thirds of all secondary mathematics teachers in Delaware— will engage in a substantial program of professional development that exceeds 150 hours for all teachers and may approach 200 hours for many.


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