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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
Horn, Joan M. – 1978
Two readability formulas were applied to two math and two reading series textbooks at the fourth, fifth, and sixth grade levels to see whether the publishers' suggested reading levels were accurate. Five samples were taken from each text and compared to the publishers' suggested usage according to grade level. Results showed that although formulas…
Descriptors: Content Area Reading, Evaluation Criteria, Intermediate Grades, Mathematics Instruction