Problem of the Week Mar 29 - Apr 2, 2020

Mar 29, 2020 | Killarney

Solve the Problem of the Week for your grade level!

Get a Problem of the Week ballot and submit your entry before closing time on Thursday. All correct solutions will receive 5 extra punches on their Reward card at the start of their next session in the math learning centre.

Grades 2-4: Martin rolls a fair, standard, six-sided die. Match each outcome with its likelihood.

• Martin rolls an even number.                                         • Impossible

• Martin rolls an 8.                                                            • Unlikely

• Martin rolls a number less than 10.                               • As likely as not

• Martin rolls a 1.                                                              • Very likely

• Martin doesn’t roll a 6.                                                   • Certain.

Grades 5-6: Tara gets to draw one bill at random from either of two buckets. One bucket has 30 $5 bills and 2 $100 bills. Another bucket has 80 $5 bills and 4 $100 bills. Which bucket should Tara choose for the best chance of winning $100? Why? 

Grades 7-8The ratio of apples to oranges in a box is 7:18. What is the percent chance that a fruit drawn at random from the box will be an orange? 

Grades 9 and upThere are 100 marbles in a bag. They’re numbered 0, 1, 2, all the way through 99. What is the probability that if you draw three marbles out of the bag at random without replacing them, the number on the first marble will be 0, the number on the second will be 1, and the number on the third will be 2?

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