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Direct linkBostic, Jonathan D. – Mathematics Teaching in the Middle School, 2015
"Who has been to Dairy Queen® and purchased a Blizzard?®" Ms. Bosetti asked her students. During the summer, Bosetti had seen many of her former and future students at the local Dairy Queen enjoying Blizzard desserts and wondered, "Which Blizzard size is the best value?" She used this context for a ratios and proportions task…
Descriptors: Mathematics Instruction, Secondary School Mathematics, Mathematical Models, Food
Download full textBautista, Alfredo; Cañadas, María C.; Brizuela, Bárbara M.; Schliemann, Analúcia D. – Journal of Education and Training Studies, 2015
There are urgent calls for more studies examining the impact of Professional Development (PD) programs on teachers' instructional practices. In this study, we analyzed how grades 5-9 mathematics teachers used graphs to teach mathematics at the start and end of a PD program. This topic is relevant because while many studies have investigated…
Descriptors: Mathematics Instruction, Graphs, Teaching Methods, Faculty Development
