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Direct linkDelgado, Cesar; Jones, M. Gail; You, Hye Sun; Robertson, Laura; Chesnutt, Katherine; Halberda, Justin – International Journal of Science Education, 2017
Crosscutting concepts such as "scale, proportion, and quantity" are recognised by U.S. science standards as a potential vehicle for students to integrate their scientific and mathematical knowledge; yet, U.S. students and adults trail their international peers in scale and measurement estimation. Culturally based knowledge of scale such…
Descriptors: Scaling, Number Systems, Public Schools, Grade 7
Coffland, David A. – Mathematics Teaching in the Middle School, 2012
The combined seventh-grade and eighth-grade class began each day with a mathematical reasoning question as a warm-up activity. One day's question was: Is the product of two odd numbers always an odd number? The students took sides on the issue, and the exercise ended in frustration. Reflecting on the frustration caused by this warm-up activity,…
Descriptors: Number Systems, Grade 7, Grade 8, Thinking Skills
Ketterlin-Geller, Leanne R.; Chard, David J. – Australian Journal of Learning Difficulties, 2011
Developing proficiency in algebra is the focus of instruction in high school mathematics courses and is a minimum expectation for high school completion for all students including those with learning difficulties. However, the foundation for success is laid in grades 4-8 (aged 9-14). In this paper, we assert that students' development of algebraic…
Descriptors: Problem Solving, Number Systems, Numeracy, Grade 4
