# Roll up the Rim!

We are going to explore the probabilities related to the current Roll up the Rim campaign from Tim Horton’s.

Odds of Winning

First, share some of your thoughts.

1. Do you or your family participate in Roll up the Rim? If yes, how often?

2. From your perspective, how often do people win? What do they usually win? Do you or your family win or lose more often?

3. Can you research to odds of winning in this year’s contest? What are the prizes?

4. From your perspective, do you think more people buy from Tim’s during these campaigns?

1. […] Hopefully we can have some fun with this and I highly recommend that you check out both blogs to get you thinking about probability. We started with a simple intro writing activity tho get them thinking, here […]

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2. Lisa says:

23 cars divided by 144,925,200 cups times 100 equals a 0.0000158 chance of winning a car
46 tvs divided by 144,925,200 cups times 100 equals a 0.00003174051 chance of winning a tv
46 Visa cards divided by 144,925,200 cups times 100 equals a 0.00003174051 chance of winning a Visa card
11,834 \$100 tim’s card divided by 144,925,200 cups times 100 equals a 0.00816559162 chance of winning a \$100 tim’s card

4 + 5 + 3 + 2 + 2 + 1 + 3 + 4 + 3 + 12 + 12 + 3 = 54 plays / 6 = 9 wins

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3. […] Initial task – Minds On              Calculations and Consolidation        My Initial idea/plan […]

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