Literaturnachweis - Detailanzeige
| Autor/in | Murawska, Jaclyn M. |
|---|---|
| Titel | Seven Billion People: Fostering Productive Struggle |
| Quelle | In: Mathematics Teaching in the Middle School, 23 (2018) 4, S.208-214 (7 Seiten)
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1072-0839 |
| Schlagwörter | Mathematics; Computation; Mathematics Instruction; Elementary School Teachers; Middle School Teachers; Preservice Teachers; Word Problems (Mathematics); Mathematics Teachers; Problem Solving; Mathematical Models |
| Abstract | How can a cognitively demanding real-world task such as the Seven Billion People problem promote productive struggle "and" help shape students' mathematical dispositions? Driving home from school one evening, Jaclyn Murawska heard a commentator on the radio announce three statements: (1) experts had determined that the world population had reached 7 billion people; (2) if you laid out all the people on earth end to end, they would circle the earth 266 times; and (3) if all 7 billion people stood shoulder to shoulder, they would all fit into Los Angeles. Skeptical of the veracity of the latter two claims, Murawska went to work verifying them, which required making assumptions, performing some estimation, converting units within a measurement system, and doing calculations with circumference and area (i.e., using the Common Core's standards 4.MD.1, 5.MD.1, and 7.G.B.4; CCSSI 2010). Surprisingly she found that both the last two statements were reasonable. In this article, she explores to what extent this task would elicit productive struggle in her preservice elementary- and middle-level teachers. (ERIC). |
| Anmerkungen | National Council of Teachers of Mathematics. 1906 Association Drive, Reston, VA 20191. Tel: 800-235-7566; Tel: 703-620-9840; Fax: 703-476-2570; e-mail: NCTM@nctm.org; Web site: http://www.nctm.org/publications/mathematics-teaching-in-the-middle-school/ |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2020/1/01 |
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