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Result 221 to 240 of 324 total

The special problem: Three kites in the circumcircle of a triangle. (Die besondere Aufgabe: Drei Drachen im Umkreis eines Dreiecks.) (German)
Monoid 27, No. 91, 14-16 (2007).
Classification: G40 G50 Reviewer: Peter Dürr (Linkenheim)
221
Use of archimedes’ process for approximating circle area as an introduction to limits. (English)
Math. Teach. (Reston) 100, No. 8, 550-555 (2007).
Classification: G34 U74 R24
222
The director circle of a central conic section. (English)
Math. Comput. Educ. 41, No. 2, 136-142 (2007).
Classification: G73
223
Got tools? Exploring children’s use of mathematics tools during problem solving. (English)
Teach. Child. Math. 12, No. 9, 470-477 (2006).
Classification: D52 F32
224
Development of future mathematics teachers’ geometric thinking. (Desarrollo del pensamiento geométrico en el futuro profesor de matemática.) (Spanish)
Rev. Educ. Mat. 21, No. 1, 3-22 (2006).
Classification: G49 G59 B50
225
Origins of an obsession. (English)
Nexus Netw. J. 8, No. 1, 53-64 (2006).
Classification: A30 M80 G90
226
Viète, Descartes, and the cubic equation. (English)
Math. Gaz. 90, No. 518, 203-208 (2006).
Classification: H30 G70 A30 Reviewer: Ramesh Kapadia (London)
227
Products of lengths of lines segments associated with elliptical chords. (English)
Math. Gaz. 90, No. 517, 13-20 (2006).
Classification: G40 Reviewer: R. Kapadia (London)
228
Gödel’s Vienna. (English)
Math. Intell. 28, No. 3, 44-55 (2006).
Classification: A30 Reviewer: Rüdiger Thiele (Halle)
229
New technologies and investigations of varying magnitudes. (Nuove tecnologie e studio delle grandezze che variano.) (Italian. English summary)
Insegn. Mat. Sci. Integr. 29A-B, No. 4, 347-356 (2006).
Classification: G33 G93 D43
230
Circles of best fit. (English)
Math. Spectr. 39, No. 3, 119-122 (2007).
Classification: I60 Reviewer: Gerd Walther (Kiel)
231
The inner circle. (Den indre krets.) (Norwegian)
Tangenten 17, No. 2, 19-21 (2006).
Classification: G33
232
The circle. (Sirkelen.) (Norwegian)
Tangenten 17, No. 2, 13-18; 21 (2006).
Classification: G33
233
On the circle of Apollonius. (English)
Math. Comput. Educ. 40, No. 3, 198-204 (2006).
Classification: G43
234
Images of conic sections in circle inversion. (Obraz kuželosečky v kruhové inverzi.) (Czech)
Učitel Mat. 14, No. 3, 129-138 (2006).
Classification: G73 G74 G53 G54
235
Engaging pupils in real mathematical activities. An example: The circumscribed circle in grade 7. (Engager les élèves dans une réelle activite mathématique. Un example: le cercle circonscrit en cinquième.) (French)
Petit X, No. 70, 7-29 (2006).
Classification: G43 U23 D43
236
Steiner’s sphere chains. (Redes de Steiner de esferas.) (Spanish)
Bol., Soc. “Puig Adam” Profr. Mat., No. 72, 14-26 (2006).
Classification: G90
237
On mixtilinear incircles and excircles. (English)
Forum Geom. 6, 1-16 (2006).
Classification: G70
238
Transformation by rotation and stretching and a circle defined by nine points. (Draaistrekking en negenpuntscirkel.) (Dutch)
Euclides 81, No. 7, 350-353 (2006).
Classification: G40 G50
239
Equilibrium in geometry. (El equilibrio en la geometría.) (Spanish)
Uno 12, No. 42, 71-85 (2006).
Classification: A30 G30
240

Result 221 to 240 of 324 total

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