Results 11 to 20 of about 4,958,904 (358)

Scheming and Re-scheming: Secondary Mathematics Teachers’ Use and Re-use of Resources [PDF]

open access: hybridDigital Experiences in Mathematics Education, 2021
AbstractIn this article, we examine secondary mathematics teachers’ work with resources using the Documentational Approach to Didactics lens. Specifically, we look at the resources and a teacher’s scheme of use (aims, rules of actions, operational invariants, and inferences) of these resources across a set of lessons (macro-level analysis) that aim ...
Lina Kayali, Irene Biza
openalex   +4 more sources

Student’s scheme in solving mathematics problems

open access: yesJournal of Physics: Conference Series, 2018
The purpose of this study was to investigate students' scheme in solving mathematics problems. Scheme are data structures for representing the concepts stored in memory. In this study, we used it in solving mathematics problems, especially ratio and proportion topics.
Nining Setyaningsih   +2 more
openaire   +2 more sources

Clinical management of COVID-19 in hospitals and the community: A snapshot from a medical insurance database in South Africa

open access: yesInternational Journal of Infectious Diseases, 2022
Background: Little is known about the clinical care, use of medicines, and risk factors associated with mortality among the population with private health insurance with COVID-19 in South Africa.
S. Mametja   +5 more
doaj   +1 more source

Studentsr Proof Schemes for Disproving Mathematical Proposition [PDF]

open access: goldProceedings of the Mathematics, Informatics, Science, and Education International Conference (MISEIC 2018), 2018
Mochammad Amirudin   +2 more
openalex   +2 more sources

Image Encryption Scheme Based on Newly Designed Chaotic Map and Parallel DNA Coding

open access: yesMathematics, 2023
In this paper, a new one-dimensional fractional chaotic map is proposed and an image encryption scheme based on parallel DNA coding is designed by using the chaotic map.
Shenli Zhu   +3 more
semanticscholar   +1 more source

Calling for critical interrogations of white supremacy and settler colonialism in mathematics education research

open access: yesPrometeica, 2023
In this essay, we contextualize a call for strengthening equity and social justice research in mathematics education by inserting the mathematics education enterprise into two world events of 2020: the global COVID-19 pandemic and the global resurgence ...
David Stinson   +2 more
doaj   +1 more source

Campus Entrepreneurship Service with Batik and Mathematical Ornaments

open access: yesKaibon Abhinaya, 2023
The popularization of mathematics and the downstream of research in entrepreneurship is still very rare in universities. Therefore, the purpose of community service is to create campus entrepreneurial activities that popularize mathematics as research ...
Hanna Arini Parhusip   +3 more
doaj   +1 more source

Mathematical study of a petroleum-engineering scheme [PDF]

open access: yesESAIM: Mathematical Modelling and Numerical Analysis, 2003
Summary: Models of two phase flows in porous media, used in petroleum engineering, lead to a system of two coupled equations with elliptic and parabolic degenerate terms, and two unknowns, the saturation and the pressure. For the purpose of their approximation, a coupled scheme, consisting in a finite volume method together with a phase-by-phase ...
Eymard, Robert   +2 more
openaire   +1 more source

Analysis of adaptive BDF2 scheme for diffusion equations [PDF]

open access: yesMathematics of Computation, 2019
The variable two-step backward differentiation formula (BDF2) is revisited via a new theoretical framework using the positive semi-definiteness of BDF2 convolution kernels and a class of orthogonal convolution kernels. We prove that, if the adjacent time-
Hong-lin Liao, Zhimin Zhang
semanticscholar   +1 more source

What Counts in Mathematics (and Other) Classrooms? A Framework for Looking at What Matters, and Thoughts About How One Might Use These Ideas for Professional Development

open access: yesJournal of Mathematics Education at Teachers College, 2013
This article describes the evolution of an analytical scheme that describes the dimensions of powerful mathematics classrooms-classrooms that produce students who are powerful mathematical thinkers.
Alan H. Schoenfeld
doaj   +3 more sources

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