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Result 21 to 40 of 110 total

Spinning pegs and Varignon’s friends. (English)
Math. Sch. (Leicester) 41, No. 2, 23-25 (2012).
Classification: G40
21
On the centroid of quadrilateral areas. (Zum Flächenschwerpunkt für Vierecke.) (German)
MNU, Math. Naturwiss. Unterr. 65, No. 8, 464-465 (2012).
Classification: G40 G70
22
The cube. Its geometric shape and its properties. (Der Würfel. Seine geometrische Form und seine Eigenschaften.) (German)
Math. Differ. 3, No. 2, 8-10 (2012).
Classification: G22 G42
23
Self-correcting problems at the tetrahedron. (Selbstkorrigierende Aufgaben am Tetraeder.) (German)
IBDG, Inf.bl. Geom. 30, No. 2, 27-29 (2011).
Classification: G40 G70
24
How to cut a slice of cheesecake in half. (English)
Math. Sch. (Leicester) 39, No. 4, 21-23 (2010).
Classification: G40 G70 Reviewer: Peter Dürr (Linkenheim)
25
Using SuperSketchpad to explore “cosine trees". (English)
Math. Medley 36, No. 1, 23-27 (2010).
Classification: G40 U70
26
Some hexagon area ratios: Problem solving by related example. (English)
Math. Sch. (Leicester) 39, No. 1, 21-23 (2010).
Classification: G30 G40
27
On a well-known method of doubling the median. (Ob obshcheizvestnom prijeme uvelicheniya mediany v dva raza.) (Russian)
Mat. Shk., No. 4, 28-30 (2010).
Classification: D53 G43 Reviewer: Elena Glukhova (Moskva)
28
Varignon’s theorem (pt. 2). (Le théorème de Varignon (2).) (French)
Losanges, No. 11, 37-45 (2010).
Classification: G50 G30
29
Generalization of cross product to higher dimensions using geometric approach. (English)
Learn. Math. 30, No. 2, 24-25 (2010).
Classification: H75 D85
30
The mathematics of the honey bee. (De wiskunde van de honingbij.) (Dutch)
Uitwiskeling 25, No. 2, 4-14 (2009).
Classification: G40 G30 I40 M50 M60
31
Triangles and parallelograms of equal area inside the hyperbola. (English)
Math. Spectr. 42, No. 2, 70-74 (2010).
Classification: G30 G40 G70 Reviewer: Gerd Walther (Kiel)
32
Pick\rq s theorem. (English)
SYMmetryplus, No. 39, 2-4 (2009).
Classification: G30 G40 Reviewer: Peter Dürr (Linkenheim)
33
$\dots $ more than writing up a solution. Showing phases of geometrical proving processes. ($\dots $ mehr als nur die Lösung formulieren. Phasen des geometrischen Beweisprozesses aufzeigen.) (German)
Math. Lehren, No. 155, 43-49 (2009).
Classification: E53 D53 G43 Reviewer: Renate Stürmer (Zweibrücken)
34
Elementary geometrical reflections on the calculation of an ellipse. (Elementargeometrische Betrachtungen zur Berechnung einer Ellipse.) (German)
Wurzel 43, No. 5, 93-96 (2009).
35
Pick\rq s Theorem “by physics”. (Picks Theorem “physikalisch”.) (German)
Wurzel 43, No. 6, 140-142 (2009).
36
Similarity and equality in Greek mathematics: Semiotics, history of mathematics and mathematics education. (English)
Learn. Math. 29, No. 1, 2-7 (2009).
Classification: E40 E20 A30
37
Teaching activities with triangles. Towards the development of a thinking tool in geometry. (Une suite d’activités autour des triangles de 10 à 15 ans. Vers le développement d’outils de pensée en géométrie.) (French)
Losanges, No. 3, 7-19 (2009).
Classification: G43 D43
38
The impact of a Cabri learning environment on students’ level of reasoning. (English)
Math. Educ. 11, No. 1-2, 67-78 (2008).
Classification: U73 G43 E53 C33
39
Triangle and parallelograms of equal area in an ellipse. (English)
Math. Spectr. 41, No. 1, 23-26 (2008).
Classification: G30 G40
40

Result 21 to 40 of 110 total

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