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The term lateral thinking was coined by Edward de Bono to denote a creative problem-solving style that involves looking at the given situation from unexpected angles, and is typically necessary to the solution of situation puzzles. The term "lateral-thinking puzzle" was popularised by Paul Sloane in his 1992 book Lateral Thinking Puzzlers. [1]
The Monty Hall problem is a brain teaser, in the form of a probability puzzle, based nominally on the American television game show Let's Make a Deal and named after its original host, Monty Hall. The problem was originally posed (and solved) in a letter by Steve Selvin to the American Statistician in 1975.
Dog, sheep, and cabbage. A river crossing puzzle is a type of puzzle in which the object is to carry items from one river bank to another, usually in the fewest trips. The difficulty of the puzzle may arise from restrictions on which or how many items can be transported at the same time, or which or how many items may be safely left together. [1]
The word later came to be used as a noun, first as an abstract noun meaning 'the state or condition of being puzzled', and later developing the meaning of 'a perplexing problem'. The OED ' s earliest clear citation in the sense of 'a toy that tests the player's ingenuity' is from Sir Walter Scott 's 1814 novel Waverley , referring to a toy ...
A joke chess problem is a puzzle in chess that uses humor as an element. Although most chess problems, like other creative forms, are appreciated for serious artistic themes (such as Grimshaw, Novotny, and Lacny), joke chess problems are enjoyed for some twist. In some cases the composer plays a trick to prevent a solver from succeeding with ...
For the problem as originally stated, =, = / and = /, which gives = (). This is a vast timespan, even compared to the estimated age of the universe , which is only about 4 × 10 17 s . Furthermore, the length of the rope after such a time is similarly huge, 2.8 × 10 43 429 km, so it is only in a mathematical sense that the ant can ever reach ...
DIBELS (Dynamic Indicators of Basic Early Literacy Skills) is a series of short tests designed to evaluate key literacy skills among students in kindergarten through 8th grade, such as phonemic awareness, alphabetic principle, accuracy, fluency, and comprehension. The theory behind DIBELS is that giving students a number of quick tests, will ...
In the field of computer science, the method is called generate and test (brute force). In elementary algebra, when solving equations, it is called guess and check. [citation needed] This approach can be seen as one of the two basic approaches to problem-solving, contrasted with an approach using insight and theory.