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Direct linkFazio, Lisa K.; Bailey, Drew H.; Thompson, Clarissa A.; Siegler, Robert S. – Grantee Submission, 2014
We examined relations between symbolic and non-symbolic numerical magnitude representations, between whole number and fraction representations, and between these representations and overall mathematics achievement in fifth graders. Fraction and whole number symbolic and non-symbolic numerical magnitude understandings were measured using both…
Descriptors: Mathematics Instruction, Mathematical Concepts, Numbers, Mathematics Achievement
DeLeo, Gary; Weidenhammer, Amanda; Wecht, Kristen – Science Teacher, 2012
In this technological age, digital devices are conspicuous examples of extraordinary complexity. When a user clicks on computer icons or presses calculator buttons, these devices channel electricity through a complex system of decision-making circuits. Yet, in spite of this remarkable complexity, the hearts of these devices are components that…
Descriptors: Educational Technology, Number Systems, Computers, Computer Uses in Education
