Ratio and Proportion

By David Ben-Chaim, Yaffa Keret, Bat-Sheva Ilany. 2012

104 citations recorded by the source corpus.

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

Teaching Mathematics by Comparison: Analog Visibility as a Double-Edged Sword. (2016, unknown): “T hi s ar tic le is in te nd ed so le ly fo r th e pe rs on al us e of th e in di vi du al us er an d is no t to be di ss em in at ed br oa dl y. Hart, 1984; Hunting, 1983; Karplus, Pulos, & Stage, 1983; Kaput & West, 1994; Lamon, 1993a,1993b; Lo & Watanabe, 1997; Shimizu, 2003).”
Proportional Reasoning Ability and Concepts of Scale: Surface area to volume relationships in science (2009, background): “…represented as ratios or proportions that can be compared in various situations; for example, comparing the surface area and volume of an ostrich egg with a hummingbird egg. Proportion involves the equivalence of two ratios and the reasoning ability to apply it to various situations (Hart, 1988).”