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Enaktive Zugänge zu Termen mit Streichhölzern und Wendeplättchen in Klasse 8. (Enactive approaches to terms with matchsticks and small reversible plates in grade 8.) (German)
MNU, Math. Naturwiss. Unterr. 64, No. 7, 397-401 (2011).
Classification: H23 U63
1
Not only doing transformations, but also recognizing and identifying structures. Approaches to the development of an algebraic sense for structures. (Nicht nur umformen, auch Strukturen erkennen und identifizieren. Ansätze zur Entwicklung eines algebraischen Struktursinns.) (German)
PM Prax. Math. Sch. 52, No. 33, 25-29 (2010).
Classification: H23 H33 C33 H24 H34 C34
2
More than transforming: making rich algebraic thinking actions visible in the learning process. (Mehr als Umformen: reichhaltige algebraische Denkhandlungen im Lernprozess sichtbar machen.) (German)
PM Prax. Math. Sch. 52, No. 33, 1-7 (2010).
Classification: H20 C30
3
Introduction of equation theory. An alternative to the balance model. (Einführung in die Gleichungslehre. Eine Alternative zum Waagemodell.) (German)
PM Prax. Math. Sch. 52, No. 31, 41-45 (2010).
Classification: H33 C33
4
“Is this algebra now?”. (“Ist das jetzt Algebra?”.) (German)
PM Prax. Math. Sch. 51, No. 29, 14-16 (2009).
Classification: U63 H23
5
Rational terms ‒ acting like experts. (Bruchterme ‒ handeln wie Experten.) (German)
PM Prax. Math. Sch. 51, No. 27, 41-46 (2009).
Classification: H23 H33 F43
6
When is it allowed to interchange exponents. (Wann darf man Exponenten vertauschen?) (German)
MNU, Math. Naturwiss. Unterr. 61, No. 3, 149-150 (2008).
Classification: H20
7
The term-picture game (grades 7 through 10). (Das Term-Bild-Spiel (7.-10. Klasse).) (German)
PM Prax. Math. Sch. 50, No. 21, 43-44 (2008).
8
A general model of algebraic problem solving for the design of interactive learning environments. Ein allgemeines Modell des algebraischen Problemloesens fuer den Entwurf einer interaktiven Lernumgebung. (English)
Mathematical problem solving and new information technologies. Research in contexts of practice. Mathematisches Problemloesen und neue Informationstechnologien. Editor(s): Ponte, J.P.; Matos, J.F. (Lisbon Univ. (Portugal). Dept. de Educacao); Matos, J.M. (Lisbon Nova Univ., Monte da Caparica (Portugal). Seccao de Ciencias da Educacao); Fernandes, D. (Instituto de Inovacao Educacional, Lisbon (Portugal)) Berlin: Springer. 1992. p. 267-285 of 361 p. Ser. Title: Nato ASI series. Series F: computer and systems sciences. v. 89. Conference: NATO Advanced Research Workshop on Advances in Mathematical Problem Solving Research, Viana do Castelo (Portugal), 27-30 Apr 1991 [ISBN 3-540-55735-0]
Classification: C30 U50 H20 I10 R20 A60
9
Parts and fractions. El reparto y las fracciones. Aufteilungen und Brueche. (Spanish)
Educ. Mat. (Mex.). (Apr 1992) v. 4(1) p. 32-45. [ISSN 0187-8298]
Classification: D72 F42
10
14xy + 4xy = 14x sup(2) + 4y sup(2) or: algebra instruction a (gentle) hurdle-race. Impressions and observations in the (my) everyday mathematics classroom when teaching manipulations of terms with variables in two 8th grades at a grammar school. 14xy + 4xy = 14x sup(2) + 4y sup(2) oder: Algebraunterricht ein (sanfter) Huerdenlauf. Eindruecke und Beobachtungen in (m)einem alltaeglichen Mathematikunterricht angestellt beim Thema ’Umformen von Termen mit Variablen in zwei 8. Klassen eines Gymnasiums. (German)
Mathe-J. (1992) (no.2) p. 2-3.
Classification: H23 D43
11
Applied mathematics. Unit 23. Factoring. Teacher’s guide. Angewandte Mathematik. Unterrichtseinheit 23. Faktorisieren. Lehrerband. (Center for Occupational Research and Development, Waco, TX (United States)). (English)
May 1992. vp. Available from Center for Occupational Research and Development, Waco, TX (United States). [ISBN 1-55502-431-9]
Classification: H20
12
A Visual Approach to Algebra Concepts. Ein visueller Zugang zu elementaren Begriffen aus der Algebra. (English)
Math. Teacher. (Sep 1992) v. 85(6) p. 434-37. [ISSN 0025-5769]
Classification: H23 D43
13
Unpacking equations. Gleichungen von rueckwaerts aufrollen. (English)
Aust. Math. Teach. (1992) v. 48(3) p. 12-14. [ISSN 0045-0685]
Classification: H33
14
Applied mathematics. Unit 15. Using formulas to solve problems. Teacher’s guide. Angewandte Mathematik. Unterrichtseinheit 15. Formeln zum Loesen von Problemen benutzen. Lehrerband. (Center for Occupational Research and Development, Waco, TX (United States)). (English)
May 1992. 115 p. Available from Center for Occupational Research and Development, Waco, TX (United States). [ISBN 1-55502-322-3]
Classification: F93 F97 H23 H27
15
Mathematics achievements in leaving examinations at secondary schools in the German State (land) - Baden-Wuerttemberg. Final report 1985-1988. Mathematikkenntnisse in der Abschlusspruefung an Hauptschulen - Baden-Wuerttemberg 1988. Eine empirische Untersuchung zu Schuelerfehlern und Loesungsverfahren. Abschlussbericht 1985-1988. (German)
Jan 1992. 232 p. Available from FIZ Karlsruhe.
Classification: D63
16
Who exactly knows where he wants to go should be able to be astonished when he arrives anywhere. Pt. 3. Wer genau weiss, wo er hin will, sollte noch staunen koennen, wenn er ganz woanders ankommt. T. 3. (German)
Math. Sch. (Nov 1992) v. 30(11) p. 577-584. CODEN: MKSCAS [ISSN 0465-3750]
Classification: C73 D43 B53
17
Insight - reasoning - proving in context with major problems of algebra teaching. Einsicht - Begruenden - Beweisen im Rahmen einiger Hauptprobleme des Algebraunterrichts. (German)
Comprehension and proof. Contributions from the colloquium of mathematical didactics. Verstehen und Beweisen. Vortraege aus den Kolloquien zur Didaktik der Mathematik. Editor(s): Knoche, N.; Schwirtz, W. (Essen Univ. (Gesamthochschule) (Germany). Fachbereich 6 - Mathematik) 1992. p. 108-136 of 208 p. Ser. Title: Beitraege zur Didaktik der Mathematik. Schriftenreihe des Fachbereichs Mathematik und Informatik der Universitaet Essen. no. 1.
Classification: E53 H23 C33
18
Learning program on mathematical expressions. Spielerisches Uebungsprogramm zu mathematischen Termen. (German)
1992. 5 1/4” diskette.
Classification: F42 F43 R22 R23
19
Sharing Teaching Ideas. Drehscheibe der Unterrichtsideen: Extrema ohne Differentialrechnung. (English)
Math. Teacher. (May 1992) v. 85(5) p. 357-59. [ISSN 0025-5769]
Classification: H23 I23
20
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