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Relationer eller operationer - två sidor av samma mynt: Elevers utforskande av en del-helhetsmodell som redskap för att urskilja relationer i additiva strukturer

• Authors : Andersson, Charlotta;

Subjects: learning model; part-whole structure; equations

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i am needed.

• Authors : Scott, Paul

• Source: Australian Mathematics Teacher. Mar2010, Vol. 66 Issue 1, p3-4. 2p. 5 Illustrations, 1 Diagram.

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Chapter 7: All Things Being Equal … Or Not.

• Source: Math: Stop Faking It! Finally Understanding Science So You Can Teach It; 2006, p93-112, 30p

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Understanding and Using Principles of Arithmetic: Operations Involving Negative Numbers.

• Authors : Prather, Richard W.¹, ; Alibali, Martha W.¹

• Source: Cognitive Science; Apr2008, Vol. 32 Issue 2, p445-457, 13p, 1 Diagram, 2 Charts, 2 Graphs

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Zavedení záporných čísel v dějinách algebry ; Introduction of Negative Numbers in the History of Algebra

• Authors : Daněk, Jaroslav;

Subjects: záporná čísla; rovnice; koeficient

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