The best tasks for logic. What is the Tatar word for "shoes"? A huge number of tasks
An excellent puzzle game created for the Android operating platform. If you are a fan of mind games, then you should definitely download this app. Here are puzzles of varying difficulty. Thus, you will be able to practice logical thinking, develop your deduction. In addition, users can learn to pay attention to the smallest details, they will begin to remember everything better. Agree that good memory hasn't bothered anyone yet. Certain tasks require good mathematical knowledge. For some, you will have to use out-of-the-box thinking. In other words, this creation is extremely useful for schoolchildren and students. Adults, of course, can also "strain" their brains here. For convenience, the developers decided to break each task into 5 blocks. Each block contains twenty tasks. Access to the next block will be opened only after solving half of the tasks of the previous one. Make every effort to cope with absolutely all the tasks, because it will bring a lot of benefits. In addition, it is a very pleasant pastime. Enjoy unique logical, math problems collected from various sources. Something was taken from Olympiad mathematical collections, something was borrowed from puzzles of folklore.
The team of creators did their best to make a convenient, functional application "". Here is a comfortable, pleasant Russian-language menu. The program itself is extremely easy to use. The graphic design is simple. Not surprising, because, in fact, nothing supernatural is needed. Download free "" on Android gadgets.
Screenshots:
The eleventh book in the series "School Mathematical Circles" is devoted to logical problems for beginners: about the famous island of knights and knaves, about situations with confusing testimonies of witnesses, finding the culprit and finding out who is who. These tasks do not require special knowledge and can be used for developing activities with children of any age - with a teacher, on their own or together with their parents. The developments of six lessons are focused on the circle in grades 5-7. They are supplemented by another 50 problems with fresh and bright formulations, many of which were invented in recent years and are published for the first time. All tasks are provided with hints, answers and solutions.
Examples.
Important documents were stolen from the safe. The police are sure that two of the seven suspects participated in the theft: A, B, C, D, E, F, G. According to the testimony of the concierge of the house opposite, one of the thieves was tall. Sherlock Holmes, after examining the scene, found the ashes of a cigar and a few dog hairs. From the characteristic scratches on the safe, he determined that the burglar was left-handed.
A, B, C and D are high; all but A smoke cigars; D and F keep dogs at home, and A and E are left-handers. Based on all the evidence, Inspector Lestrade arrested A and D. Did he do the right thing?
Brown, Jones and Smith are charged with being an accessory to a bank robbery. The thieves fled in a waiting car. During the investigation, Brown testified that the criminals fled in a blue Buick; Jones said it was a black Chrysler, and Smith claimed it was a Ford Mustang and by no means blue. It became known that, wanting to confuse the investigation, each of them correctly indicated either only the make of the car, or only its color. What color and what brand was the car?
Table of contents
Foreword
Lesson 1. Search in logical problems
Lesson 2. We are looking for a treasured thread
Lesson 3. art
Lesson 4. Mysterious island
Lesson 5. Knights, liars and cunning
Lesson 6. African Games
Additional tasks
Hints
Answers
Solutions
Problem authors
Handout.
Free download e-book in a convenient format, watch and read:
Download the book Logical problems, Raskina I.V., Shnol D.E., 2014 - fileskachat.com, fast and free download.
- Moscow and its inhabitants, History, Architecture, Life, Non-traditional problem book in mathematics, grades 5-6, Perli B.S., Perli S.S., 1997
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Logic tasks. Bogomolova O.B.
4th ed., rev. and additional - M.: 2013 - 277 p.
A system of logical tasks for schoolchildren of different ages is proposed. Tasks are structured according to the semantic content and decision methods. Are given detailed diagrams solving problems of various types. The book contributes to the development of logical thinking, teaches how to build reasoning correctly, put forward and explore hypotheses, and make decisions independently. For schoolchildren of 6-11 grades, teachers and methodologists.
Format: pdf
The size: 6.1 MB
Watch, download:drive.google
Table of contents
Introduction 3
Section 1 Relationship Problems 7
1.1. Problems with transitive relations 7
1.2. Problems with incorrect conditions 10
1.3. Problems with an equality ratio of 12
1.4. Problems with non-transitive relations 14
1.5. Problems with multiple relationships 21
1.6. Problems for comparing elements in relations 26
Section 2. Tasks solved using diagrams and tables 31
Section 3. Crossing tasks 150
Section 4. Tasks solved using graphs 165
Section 5
Section 6. Entertaining problems 236
Section 7 Stencil Tasks 246
Literature 276
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