The Smarties-Box Challenge: Supporting systematic approaches to problem solving

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The four proficiency strands are employed in this mathematically rich estimation task which combines estimation skills and multiplicative thinking within a challenging problem solving context. Can your students work out how many Smarties there might be in the Smarties-box? The Smarties-Box Challenge encourages students to apply several different mathematical capabilities and concepts—such as, estimation, multiplication, and the notion of being systematic—to solve a complex, multistep problem.
Original languageEnglish
Pages (from-to)35-40
Number of pages6
JournalAustralian Primary Mathematics Classroom
Issue number4
Publication statusPublished - 2016


  • Mathematics Education
  • Problem Solving
  • Multiplicative Thinking
  • Mathematical Proficiency

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