id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ger-27	N├ñslund-Hadley, Emma; Loera Varela, Armando; Hepworth, Katelyn Ann	What Goes On Inside Latin American Math and Science Classrooms: A Video Study of Teaching Practices	2014	19	.pdf	application/pdf	9847	521	51	Practical activities- independent 4 6 4 Proportion of math lesson time devoted to new and previous content (%) Reviewing previous content 82 68 28 Introducing new content 11 12 15 Practicing new content 7 20 57 Complexity of the math problems covered (%) Low 89 76 94 Moderate 9 21 5 High 2 3 1 Proportion of science lessons with different levels content complexity as compared to the national curriculum (%) Basic 82 91 83 Basic and challenging 17 8 17 Challenging 1 1 0 Sources of content used during science lessons (%) Teachers 71 64 54 Textbooks 23 6 26 Worksheets 4 26 7 Other sources 2 4 13 Source: Authors’ Construction Science 118 Global Education Review 1(3) They reviewed a total of 2,489 math problems, considering 210 variables related to math lessons and 192 related to science lessons.	cache/ger-27.pdf	txt/ger-27.txt