Educational Studies in Mathematics, Vol. 84, No. 3 (November 2013), pp. 309-328 (20 pages) In this article, I present and build on the ideas of John Threlfall [(Educational Studies in Mathematics ...

FORT LEE — For 10 seconds, a series of 50 random three-digit numbers flashed on the screen. After another second, abacus master Jeonghee Lee announced she'd finished the mental addition, correctly ...

The Guam Department of Education is working with Math Champions, a nationally recognized professional service provider, to train elementary and middle school teachers in Singapore Math content and ...

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There is no need to discourage finger counting at any time. Children naturally stop using their fingers when they no longer ...