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Logic Puzzles

Linking Bridges

Linking Bridges

In this week’s puzzle students are presented with a page showing several islands that are all numbered. The challenge is to connect all of the islands with bridges so that the number on the island corresponds to the number of bridges going to it or from it. Additionally, other rules must be followed, including that… Continue Reading

Cab Conundrum

Cab Conundrum

This week’s puzzle is a modification of a brain teaser that has been around for many years—the hotel problem. In the original version of the mathematical paradox, three men pay ten dollars each for a thirty dollar hotel room. Later, they receive a five dollar refund. Because they cannot easily split the five dollars, they each… Continue Reading

Matching Marbles

Matching Marbles

This activity fits in a category normally called logic problems. Logic problems usually don’t require calculations of any sort, making them different from most other math problems. To solve these types of problems, logical or mathematical thinking must be used. Matching Marbles is a perfect example of this type of problem because to solve it, students must… Continue Reading

Lettering Logic

Lettering Logic

This week’s Puzzle Corner activity challenges students to find the “logic” or rule behind a pricing scheme for wooden letters when given a number of examples. In order to do this, students need to look carefully at the letters and the related costs and try to uncover the pricing logic used and then apply it to a new name and their… Continue Reading