Година LXII, Книжка 3, 2019Следващ бройАрхивПредишен брой
Научно-методически статии
МАТЕМАТИЧЕСКИТЕ СОФИЗМИ И ИЗПОЛЗВАНЕТО ИМ В УЧИЛИЩНИЯ КУРС ПО АЛГЕБРА
Математическите софизми са такива твърдения, в доказателството на които се допускат умишлено незабележими, а понякога и доста тънки грешки. Чрез тях се цели повишаване на интереса и вниманието на учениците към учебното съдържание и правилното и трайно овладява...
софизми; грешка; математика; алгебра; преподаване; парадокс
ONE TYPE OF PROBLEMS WITH INFINITE NUMBER OF CUBE ROOTS
In the present research paper a particular type of problems is examined, with an infinite number of cube roots involved. Different problems and questions are proposed and in terms of solving some examples two theorems are defined and proved. The study could be...
infinite number; cube roots; math competitions
SOME MATH QUIZZES FOR PRESENTING A NUMBER BY USING EQUAL DIGITS AND MATH OPERATIONS
This paper gives a formalization of a problem for presenting a number by using particular set of equal digits and a range of math operators. Based on the formal definition, an example for presenting 7 in two ways by using 4 times the digit 2 is given. The firs...
Math Quizzes; Math Operations; Integer Numbers
A NOTE ON THE ARBELOS IN WASAN GEOMETRY: SATOH’S PROBLEM AND A CIRCLE PATTERN
We generalize a problem in W asan geometry involving an arbelos, and construct a self-similar circle pattern.
arbelos; self-similar figure
Образователни технологии
ФОРМУЛИ ЗА РАЗСТОЯНИЯТА ОТ БРОКАРИАНИТЕ И ТОЧКАТА НА МИКЕЛ В ЧЕТИРИЪГЪЛНИКА ДО ВЪРХОВЕТЕ И ДО СРЕДИТЕ НА СТРАНИТЕ И ДИАГОНАЛИТЕ МУ
В настоящата публикация се извеждат формули за разстоянията от три забележителни точки в четириъгълника до върховете, средите на страните и диагоналите му. Те се прилагат за доказателството на редица неравенства, свързващи дължините на страните и диагоналите н...
четириъгълник; забележителни точки; неравенства; медицентър; Ойлерова окръжност
ON THE CONCEPT OF BITWISE OPERATIONS IN THE PROGRAMMING COURSES
This article is intended for anyone who studies programming, as well as for his teachers. The article deals with the some aspects of teaching programming languages C++ and Java. It presents some essential and interesting examples of the advantages of using bit...
bitwise operations; binary notation; set; Latin square
RESULTS OF THE FIRST WEEK OF CYBERSECURITY IN ARKHANGELSK REGION
The question of the need to teach schoolchildren to use cyberspace safely is the most discussed today. The analysis of the methodological literature and Internet sources suggests that almost all the proposed materials are instructive in nature. Students are no...
cybersecurity; schoolchildren; cyberthreat; a conceptual model; week of cybersecurity
DIDACTIC POTENTIAL OF REMOTE CONTESTS IN COMPUTER SCIENCE
A remote contest is a form of extracurricular students’ activity. Using the example of “Infoznaika”, a remote contest in computer science, the article discovers the didactic potential of such events, which includes monitoring the progress of computer science a...
extracurricular activity; remote contest; monitoring; cognitive activity; meta-disciplinary competence; disciplinary competence