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Edward Witten and the positive energy theorem. (Edward Witten und das Positive-Energie-Theorem.) (German)
Wurzel 50, No. 5, 90-94 (2016).
Classification: A30 M50 I60 I70
1
Using infinite series to calculate the centre of mass of triangular plates. (English)
Int. J. Math. Educ. Sci. Technol. 46, No. 6, 916-921 (2015).
Classification: G40 I30
2
A refreshingly rational approach to the center of mass. (English)
Math. Teach. (Reston) 108, No. 9, 710-715 (2015).
Classification: M50 I20
3
Illuminating coordinate geometry with algebraic symmetry. (English)
Math. Teach. (Reston) 108, No. 6, 470-473 (2015).
Classification: G74 H24
4
“Then I’m going to make my own scale\dots" Reflecting measuring with children. (“Dann mache ich mir meine eigene Skala\dots" Mit Kindern über das Messen reflektieren.) (German)
Grundsch. Math. 47, 22-23 (2015).
Classification: G32 D42 F72 D32
5
“Why are there no numbers on the scale?" Developing measuring knowledge on the quantity “weights". (“Warum stehen denn keine Zahlen auf der Waage?" Das Messverständnis im Größenbereich “Gewichte" entwickeln.) (German)
Grundsch. Math. 47, 16-19 (2015).
Classification: F72 D82
6
Do we all together weigh as much as an elephant? Fermi- and “Can this be true?" ‒ problems on the topic of weights. (Sind wir alle zusammen so schwer wie ein Elefant? Fermi- und “Kann das stimmen?" ‒ Probleme zu Gewichten.) (German)
Math. Differ. 6, No. 4, 38-45 (2015).
Classification: F72 C32 D82 D52
7
How heavy are 200 g actually? Developing and using basic conceptions. (Wie schwer sind eigentlich 200 g? Stützpunktvorstellungen aufbauen und anwenden.) (German)
Math. Differ. 6, No. 4, 32-37 (2015).
Classification: F72 C32 D82
8
The apple weighs exactly as much as the carrot and a weight of 50 g. Introduction into a systematic treatment of weights in grade 3. (Der Apfel wiegt genau so viel wie die Möhre und ein 50er-Gewicht. Einstieg in eine systematische Behandlung der Gewichte in Klasse 3.) (German)
Math. Differ. 6, No. 4, 22-31 (2015).
Classification: F72 U62 D82
9
“Tricky" party bags. Children compare and arrange weights. (“Tricky" party bags. Kinder vergleichen und ordnen Gewichte.) (German)
Math. Differ. 6, No. 4, 16-21 (2015).
Classification: F72 U62 D42 F22 D82
10
About weights and heavyweights. Handling weights in elementary mathematics education. (Von Gewichten und Schwergewichten. Zum Umgang mit Gewichten im Mathematikunterricht der Grundschule.) (German)
Math. Differ. 6, No. 4, 6-9 (2015).
Classification: F72 M52
11
Life on the edge: water striders use geometry to master physics. (English)
Math. Sch. (Leicester) 44, No. 2, 31-33 (2015).
Classification: M60 M50 G30
12
Young learners’ understanding about mass measurement: insights from an open-ended task. (English)
Liljedahl, Peter (ed.) et al., Proceedings of the 38th conference of the International Group for the Psychology of Mathematics Education “Mathematics education at the edge", PME 38 held jointly with the 36th conference of PME-NA, Vancouver, Canada, July 15‒20, 2014, Vol. 4. [s. l.]: International Group for the Psychology of Mathematics Education (ISBN 978-0-86491-360-9/set; 978-0-86491-364-7/v.4). 193-200 (2014).
Classification: F72 C32 D62
13
A lot of work has gone into this survey. Investigating the handling of screen media statistically. (In der Umfrage steckt viel Arbeit. Den Umgang mit Bildschirm-Medien statistisch erforschen.) (German)
Math. Lehren 31, No. 184, 20-24 (2014).
Classification: K43 D43 D83 Reviewer: Renate Stürmer (Zweibrücken)
14
The body mass index ‒ from Quetelet to Haldane. (Der Body-Mass-Index ‒ von Quetelet zu Haldane.) (German)
Wassong, Thomas (ed.) et al., Mit Werkzeugen Mathematik und Stochastik lernen. Heidelberg: Springer Spektrum (ISBN 978-3-658-03103-9/pbk; 978-3-658-03104-6/ebook). 15-30 (2014).
Classification: M60 K40 A30 F80
15
Investigating young children’s learning of mass measurement. (English)
Math. Educ. Res. J. 26, No. 2, 131-150 (2014).
Classification: F72 C32
16
Living in 10000 dimensions. (Leben in 10000 Dimensionen.) (German)
Spektrum Wiss. 12, 75-79 (2013).
Classification: G40 G70 K40 K60
17
Masses of weights. The size range “weights” in mathematics education in primary school. (Massenhaft Gewichte. Der Größenbereich “Gewichte" im Mathematikunterricht der Grundschule.) (German)
Prax. Grundsch. 36, No. 5, 4-7 (2013).
Classification: F72 M52
18
Geometrical tree: leaf mass \& leaf-tree relationship. I. (English)
Math. Medley 39, No. 1, 3-16 (2013).
Classification: M60
19
Geometrical tree: leaf mass \& leaf-tree relationship. II. (English)
Math. Medley 39, No. 2, 32-39 (2013).
Classification: M60
20
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