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The Elementary School Journal, Vol. 117, No. 4 (JUNE 2017), pp. 664-686 (23 pages) Competency with mathematics requires use of numerals and symbols as well as an understanding and use of mathematics ...
YC Young Children, Vol. 72, No. 1, Social and Emotional Development in Early Childhood (March 2017), pp. 66-73 (8 pages) Beck, I.L., M.G. McKeown, & L. Kucan. 2013 ...
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