# Problem of the Week for November 5th to November 9th

Nov 4, 2023 | SW Calgary

Mathnasium of SW Calgary - Problem of the Week!

Be sure to enter at the start of your next session at the Math Learning Centre.

Problem of the Week for Grades 3 and 4: A shark eats 10 fish on Monday, 9 fish on Tuesday, 8 fish on Wednesday, and so on. If the pattern continues, how many fish does the shark eat over the course of 1 whole week?

Problem of the Week for Grades 5 and 6: A giant pacific octopus weighs 55 kilograms. A blue-ringed octopus weighs 125 grams. How many blue-ringed octopuses weigh the same amount as a giant pacific octopus?

Problem of the Week for Grades 7 and 8: An anemone catches 10 kilograms of food over the course of a week and consumes 62.5% of it. A school of clownfish that lives with the anemones eat 3/8 of the anemone’s uneaten prey. What percentage of the anemone’s food goes uneaten?

Problem of the Week for Grades 9 and above: Some species of pufferfish draw circles in the sandy seafloor to communicate. If a pufferfish draws a circle whose diameter is 12 times the length of the fish’s body, then how many times the length of the fish is the circumference of the circle?

LAST WEEK WINNERS OF PROBLEM OF THE WEEK:

Grades 3 and 4: A Fantastic week of participation this past week attempting to solve the problem posed. Zayd solved the problem and was the first correct ballot to be drawn. Well done Zayd, now come and choose a Fabulous \$10 Gift Card of your choice. Noura, Molly, Liam, Sydney, Sloan, Anthony, Jalal and Mary also solved the problem and they will receive "extra punches" on their Reward Card. Great work you hard working Mathletes!! Everyone try again this week!! Come on, give your brain a workout

Grades 5 and 6: A superb effort by everyone this past week saw William submitting the correct solution and being the first correct ballot to be drawn. Great work William, now come and collect a Wonderful \$10 Gift Card of your choice. Molly, Scarlett, Noura, Japnoor, Koen and Liam also solved the problem and each will receive "extra punches" on their Reward Cards. Everyone be sure to devote time this week to solving the problem!! Become a Mathnasium Mathlete

Grades 7 and 8: Well another tough problem saw only one correct solution submitted and that was by Saif. Fantastic work Saif, now come and choose a Terrific \$10 Gift Card of your choice. Everyone try again this week. Mathnasium – Home of the Power Math Workout

Grades 9 and above: And a puzzling problem this past week that as correctly answered by Kieran and his solution was the first correct ballot drawn. Well done Kieran, now come a choose an Awesome \$10 Gift Card of your choice. Also solving the problem was Sophia and Evey and they will each received "extra punches" on their Reward Cards. Everyone try again this week. Show what you can do Mathlete

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