منابع مشابه
MOLLIE MACGREGOR and KAYE STACEY
Research studies have found that the majority of students up to age 15 seem unable to interpret algebraic letters as generalised numbers or even as specific unknowns. Instead, they ignore the letters, replace them with numerical values, or regard them as shorthand names. The principal explanation given in the literature has been a general link to levels of cognitive development. In this paper w...
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a chair, he was the very picture of dejection. His small head was hanging, an obstreperous tuft of the coarse, sandy hair standing defiantly upright on the crown of it; his complexion was sallow and pasty, and not in any way enhanced by a sparse scattering of tiny yellow freckles, plainly visible at close view; his generous mouth drooped, like his head, the lips pale, but firmly closed. In his ...
متن کاملJames bundles
We study cubical sets without degeneracies, which we call –sets. These sets arise naturally in a number of settings and they have a beautiful intrinsic geometry; in particular a –set C has an infinite family of associated –sets J (C), i = 1, 2, . . ., which we call James complexes. There are mock bundle projections pi : |J (C)| → |C| (which we call James bundles) defining classes in unstable co...
متن کاملJames Fehlig
Fa c u l t y M e n t o r T h e U C I U n d e r g r a d u a t e R e s e a r c h J o u r n a l Key Terms: ♦ Bio-Networking Architecture
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ژورنال
عنوان ژورنال: British Journal of Sports Medicine
سال: 1990
ISSN: 0306-3674
DOI: 10.1136/bjsm.24.2.86-a