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Download full textShmis, Tigran; Ustinova, Maria; Chugunov, Dmitry – World Bank, 2020
This book presents the main findings of a study on school learning environments and student outcomes, which the World Bank conducted in 2019 in three regions of the Russian Federation. Using data collected through the [Organisation for Economic Co-operation and Development] OECD School User Survey and the pilot "Trends in Mathematics and…
Descriptors: Foreign Countries, Educational Environment, Teaching Methods, Space Utilization
Peer reviewed
Direct linkChandran, Pallath – International Journal of Mathematical Education in Science and Technology, 2004
The sixth-order wave equation governing the propagation of one-dimensional acoustic waves in a viscous, heat conducting gaseous medium subject to relaxation effects has been considered. It has been reduced to a system of lower order equations corresponding to the finite speeds occurring in the equation, following a method due to Whitham. The lower…
Descriptors: Equations (Mathematics), Mathematics Instruction, Acoustics, Teaching Methods
