Teaching Resource

Math Investigation – Decimals and Percentages

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13 pages (PDF)|This resource is suitable for Grades: 5 - 6

A mathematics investigation about decimals and percentages, embedded in a real-world context.

This open-ended mathematics investigation has been designed to deepen students’ understanding of decimals and percentages.

In this investigation, students must use their knowledge and understanding of decimals and percentages to plan an end of year celebration for their class. The party plan must adhere to a budget agreed to by the class, as well as a set of conditions laid down by the teacher. The students must use the party supplies catalog provided to select food, party decorations, and serving supplies for the celebration, then record all costings on the worksheets provided.

This teaching resource includes:

  • teacher notes, detailing a range of important information about the investigation
  • answers for all discount calculations
  • a detailed description of the investigation for students, including step-by-step instructions
  • party supplies catalog
  • various recording worksheets and party planning templates
  • a checklist for students
  • reflection questions.

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Common Core State Standards alignment


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Resource Updates

  • Calculation error corrected in first row of table on page 11.

    Fix by Stephanie (Teach Starter) 14th Sep, 2018

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