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Concerning these issues, mathematics educators have debated whether student difficulties with fractions and irrational num ...mathematics educators in the [[Vygotsky Circle]] which was active in the [[Soviet Union]] between the world wars. Their contribution is known as the splittin ...

...such as Italy.<ref name=":40" /> In the early 2020s, the decision by some educators to include the topics of race and sexuality into the mathematical curriculu ...f scientists and engineers to match the might of its ideological rival the Soviet Union and started pouring enormous sums of money into research and developm ...

...ine, Rural Poverty |year=2009 |publisher=[[Columbia University]]: Asia for Educators|access-date= 9 July 2013|archive-url= https://web.archive.org/web/201107080 ...University Press |isbn=978-0-521-89424-1}}</ref> After the collapse of the Soviet Union, Russia's population declined significantly – from 150 million in 199 ...

...ace, prosperity, and predictability that followed the [[dissolution of the Soviet Union]] and the [[Cold War (1985–1991)|end of the Cold War]].<ref name=":17 Despite the fact that educators and political leaders, such as President Barack Obama, have been trying to ...