The Shoelace Problem & Other PuzzlesSterling Publishing Company, Inc., 2004 - Всего страниц: 128 Problem solving is a pleasure—when you can get rid of those mental blocks. That’s just what this collection of puzzles helps you do, even as it offers hours of entertainment. There’s advice on working through the tough spots and exercising those creative mental muscles. Start with a classic about The Man with No Eyes. He’s gone to the woods to view the skies. He sees a tree with apples on it: he takes none off, yet leaves none on. How can this be? Or try the numerical St. Ives Riddle, from a rhyme first published in 1202. Decipher mystery signs, make Symmetry Folds, and do the Twenty-Five Point Connect. |
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alien angles ANSWER approach ARRANGEMENT arrow band better blocks blue bottom called cell circle Clown color column Company complete connect continuous convex create creative crossing cube diameter direction dots eight Elevation equal example eyes figures five floors fold four geometric given grid hexagon human ideas identical intersections isometric drawing journey KNOW lacing lead look MASTERMIND COLLECTION match matchstick mathematicians mathematics matter means middle minutes move natural object orthographic PAGE path pattern pencil pentagon picture piece PLAN play player points polygon position possible problem projections puzzles Regular result rungs sequence seven shapes shoe shown side simple single solid solutions solve square STAR starts straight lines thinking tiles trace tree triangle triangular turn units vertices