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Williams, Joanne – 1979
The Fry Graph for Estimating Readability (Extended) and George Magginnis' formula for passages shorter than 100 words were used in an investigation of the reading levels of 18 mathematics textbooks produced for grades one through six by three major publishers. The results indicated that the readability levels of the textbooks were inaccurate. Few…
Descriptors: Elementary Education, Masters Theses, Mathematics Materials, Performance Factors
