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Direct linkLamberg, Teruni; Damelin, Steven; Gillette-Koyen, Linda; Moss, Diana – Australian Mathematics Education Journal, 2020
Visualising positive and negative numbers on a number line is helpful for exploring problems involving operations with positive and negative numbers. This is because number lines lend themselves to exploring problems involving continuous linear contexts such as travelling distances and temperature. Teachers in a professional development program…
Descriptors: Visualization, Number Concepts, Middle School Mathematics, Middle School Teachers
Marshman, Margaret; Spink, Emily; Dunn, Peter K.; Woolcott, Geoff – Australian Mathematics Education Journal, 2020
In this article, the authors present an inquiry activity presented to Year 7 students in a mathematics excellence class at a P-12 school in regional Queensland. Different students solved the activity (comparing the sugar content of fruit) using decimals, percentages, ratio and rates. By asking the students to solve a problem they were much more…
Descriptors: Foreign Countries, Middle School Students, Middle School Mathematics, Mathematics Education
Patahuddin, Sitti Maesuri; Ramful, Ajay; Lowrie, Tom – Australian Mathematics Education Journal, 2019
Spatial visualisation is an essential component of geometric thinking and measurement sense. It is a particular type of spatial skill that involves manipulation of spatial images and may not be naturally occurring for students. However, research shows that it is malleable and can be developed through instruction. This article presents an…
Descriptors: Spatial Ability, Visualization, Correlation, Mathematics Activities
