Numeracy in household safety: How do you measure a slope of 10°?

摘要

Applications for geometry and number skills in day-to-day life can provide a rich context to explore these skills in the classroom and it is also an aim of the Australian Curriculum: Mathematics: "to ensure that students... [are) able to investigate, represent and interpret situations in their personal and work lives" (Australian Curriculum, Assessment and Reporting Authority, 2010). This article describes a unit of work that was designed for a Year 9 class of mixed ability and which involved the definition and measurement of angles, as well as the practical application of angle properties—such as complimentary angles and the relationships in a transversal.