Even at these middle grade levels, it is important to revisit previous mathematical ideas to deepen understanding. All of our 7th grade teachers participated in an integrated unit on the Maya. I ...
The Classic Mayas used pictures of deity heads, each with one or more characteristic features, to represent the numbers 1-13. The number 1 head, for example, has characteristics of the Moon Goddess, ...
Some of us might solve crossword puzzles or Sudoko games to exercise our minds, but [Nathan Nichols] plays with exotic number systems to keep the brain cells in shape. He wrote the Hanoi C99 library ...
Sign Language Studies, Vol. 18, No. 4, Special Issue on Rural Sign Languages (Summer 2018), pp. 488-516 (29 pages) In this article, we examine various strategies used to express cardinal numbers in ...
Some of us might solve crossword puzzles or Sudoko games to exercise our minds, but [Nathan Nichols] plays with exotic number systems to keep the brain cells in shape. He wrote the Hanoi C99 library ...
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