Teaching Resource

Decimals and Percentages Maths Investigation – Prepare to Party!

PDF | 13 pages|Grades: 5 - 6 | Starter Sheet

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 catalogue 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 catalogue
  • various recording worksheets and party planning templates
  • a checklist for students
  • reflection questions.

Read more about using this resource to plan a real party in our blog Real World Mathematics | Exploring Maths with an End of Term Party.

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      Victorian Curriculum alignment

      Australian Curriculum alignment

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    Comments & Reviews

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    Hannah Sargent

    Your example for the sale price on Party decorations and serving supplies is incorrect. (Should be $4.50 instead of $5.00)

    Hannah Sargent · Sep 12th, 2018

    Stephanie (Teach Starter)

    Thank you so much for pointing this out to us, Hannah! This error has now been corrected and the updated resource is available for download. Have a lovely weekend!

    Stephanie (Teach Starter) · Sep 14th, 2018

    Emilia Leonardi

    Also the price on the flier for streamers is $2 but the worksheet says $1.

    Emilia Leonardi · Nov 5th, 2018

    Resource Updates

    • Corrected pricing discrepancy between flier and worksheets.

      Fix by Kristian Nov 4th, 2018

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

      Fix by Stephanie (Teach Starter) Sep 13th, 2018

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