Hāwera, NgārewaMerilyn, Taylor2012-05-302012-05-302011Hāwera, N. & Merilyn, T. (2011). "Twenty percent free!": So how much does the original bar weigh? Australian Primary Mathematics Classroom, 16(4), 3-7.https://hdl.handle.net/10289/6380Ngarewa Hawera and Merilyn Taylor describe a rich task based on a real world situation that stimulated a great deal of mathematical reasoning. Their research on how students attempted the task is most revealing.application/pdfenactivity programs in educationmathematicseducationJournal Article