Category: Puzzles
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Instant Insanity
Dear Math Lovers, It’s that time of month again – the Bard Math Circle will meet on Saturday, November 10th, 1-3pm in the Kingston Library (upstairs in the Community Room). Middle school-aged students will engage in our math puzzles and logic games, work on a sheet of challenging problems, and build a math artifact to…
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Problem 7: Sharing Cookies
How many ways can Jeff, Jeannette, Joy, and Jackie share 7 chocolate chip cookies? Each person should get at least one cookie. For example: Jeff •• Jeannette ••• Joy • Jackie •
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Problem 6: Tetrahedral Numbers
A tetrahedron (triangular pyramid) is made by piling up four layers of tennis balls. How many tennis balls are used in all?
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Problem 3: Walking to the Playground
How many ways can Pascal walk from home to the playground, walking 6 blocks?
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Problem 2: Triangles in a Hexagon
In hexagon ABCDEF, how many triangles can be formed by connecting three vertices? Example ∆BCE.
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Problem 1: Jelly Beans
Bertie has six jelly beans left: one each of Avocado, Buttermilk, Centipede, Dirt, Earwax and Fried Beans flavors. Harry reaches into the bag and takes out three jelly beans. What possible groups of three jelly beans could Harry take? For example, Harry might take the Buttermilk, Dirt and Earwax jelly beans.