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Nelson Education > School > Mathematics K-8 > Math Focus > Grade 5> Student Centre > Web Quests > Chapter 3
 

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Chapter 3: Adding and Subtracting Decimals

The Ultimate Party

INTRODUCTION

Adding and subtracting decimal numbers is part of everyday life. Use your skills for adding and subtracting decimal numbers to help you plan a party!

 

THE TASK

Plan a party for 27 people. Be sure that you have enough food, drink and party favours for everyone at the party and, most importantly, keep track of your spending!

 

THE PROCESS

  1. Decide on a theme for your party. To get an idea you may visit Kid's Party Fun.

  2. Once you have chosen your theme, decide the details of the party:
    •  Where will the party be?
    •  What kind of food will we have? (Enough for 27 people)
    •  What will we have to drink? (Enough for 27 people)
    •  What kind of decorations will be used? (At lease three items)
    •  What party favour(s) will each guest receive before going home. (At least one party favour for each of the 27 guests)
    •  What kind of plates, cups, and napkins will be used? (Enough plates, cups, and napkins for 27 people)

    **Remember you may not be able to find packages of 27. You may have to buy extra in order to have enough.

  3. Use the websites below to find the items you need and how much they cost.
    WalMart
    Costco

  4. After you have gathered all your information, create your shopping list. List prices of each item, how many of each item you need to purchase, and the total amount of money you will be spending. This will involve many calculations and may take a while.

  5. Create a presentation or poster that shows how much money was spent total and how much money was spent on each of the following categories: food & drink, decorations, plates/cups/napkins, and party favours. Your presentation should include anything that you think may convince your teacher and your classmates that your party is the best. Be creative!

 

RESOURCES

Websites:

Kid's Party Fun

Costco
WalMart

Materials:

paper and pencil

poster paper and markers

 

ASSESSMENT

Criteria Work meets standard of excellence Work meets standard of proficiency Work meets acceptable standard Work does not yet meet acceptable standard
Reasoning: analyzes addition situations accurately Comprehensively analyzes addition situations and performs calculations accordingly. Completely analyzes addition situations and performs most necessary calculations. Superficially analyzes addition situations and performs some appropriate calculations. Is unable to adequately analyze addition situations or determine what calculations are necessary.
Communication: Organizes and displays results in effective and clear ways that enhance interpretation. Organizes and displays results in appropriate and reasonably clear ways that assist interpretation. Organizes and displays results in somewhat appropriate and partially clear ways that make inferring necessary by the reader. Organizes and displays results in effective and clear ways that enhance interpretation. Organizes and displays results in haphazard and/or unclear ways that impede interpretation.
Connections:
Connects mathematical concepts to real-world phenomena
Makes insightful connections between real-world contexts and mathematical ideas. Makes meaningful connections between real-world contexts and mathematical ideas. Makes simple connections between real-world contexts and mathematical ideas. Makes minimal or weak connections between real-world contexts and mathematical ideas.

 

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