Arithmetic in Real World

Choose 1 out of 2 Questions
Read the scenario carefully.
List down any assumptions you have/ have to make.
Consider the various options offered (show the working).
Present your options and support it with clear explanations, neatly written on writing papers.
Deadline: 8 March 2013 (Friday)

What Would You Do?

Source: Pathways to reasoning and communication in the secondary school mathematics classroom - A resource for teachers by teachers

Question 1: Watching a Movie

You and your three friends plan to watch a movie this Saturday.
Below is the information on the price of tickets from the 3 cinemas that are in your town.

Cinema A Cinema B Cinema C
Saturday
10 am to 5 pm
$8.50 for each ticket $9.00 for each ticket

*10% discount for purchase of 4 or more tickets.
$9.50 for each ticket

*Movie passes at $25 for purchase of 3 tickets
Saturday
5 pm to 2 am
$9.50 for each ticket

*5% discount for purchase of 4 or more tickets.
$9.50 for each ticket

*10% discount for purchase of 4 or more tickets.
$9.50 for each ticket

*Movie passes at $25 for purchase of 3 tickets

Your task is
1. To select the best option for you and your friends
2. To explain your choice.



Question 2: Hotel Packages

A couple planning for a 3-day stay in a hotel for their honeymoon in June, shortlisted three options from a brochure. The price for a 3-day stay package for all three hotels is $450. Moreover, the couple has both an ABC Bank credit card and a STW Bank credit card.

Hotel A Hotel B Hotel C
3 days package at $450 3 days package at $450 3 days package at $450
Booking during off peak season: 20% discount Booking during off peak season: 10% discount Booking during off peak season: 15% discount
Senior Citizens: 5% discount Honeymoon Couple: 10% discount  Senior Citizens: 5% discount 
Pay by ABC Bank Credit Card: 10% discount Pay by XYZ Bank Credit Card: 20% discount Pay by STW Bank Credit Card: 5% discount

Your task:
1. Which is the most viable option for the couple?
2. Explain your choice.
(Note: What assumptions would you make when working on the above?)


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