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Category: mathematicsmathematics

Логарифмы. И их применение в разных сферах жизни

1.

Логарифмы. И их
применение в разных
сферах жизни.
Выполняли: Ашимова Милана, Димитриева Анастасия.

2.

Джон Непер-отец
логарифмов
Логарифм был изобретен
шотландским математиком
Джоном Непером в 1614 году.

3.

Виды, свойства и формулы
логарифмов

4.

Логарифмические шкалы
Логарифмические шкалы - это специальные шкалы, в которых значения
величин представлены в виде логарифмов этих величин.

5.

Что такое логарифм и для чего он
предназначен?
Логарифм - это математическая
функция, которая показывает, во
сколько раз одно число больше или
меньше другого числа.

6.

Логарифмы предназначены для следующих целей:
01 Упрощение вычислений 02 Измерение
03
с большими числами.
интенсивности.
Решение
дифференциальных
уравнений.
Анализ финансовых и
экономических
процессов.
04

7.

Основные сферы жизни, в которых используются логарифмы:
1
Математика и Физика
2
Биология и Медицина
3
Астрономия и Космология

8.

В математике:
- Решение показательных уравнений
- Вычисление сложных степеней и корней
- Построение логарифмических графиков
Использование логарифмов позволяет
упростить вычисления сложных степеней и
корней и получить точные результаты.

9.

В физике:
- Измерение интенсивности звука
- Расчеты в ядерной физике и астрофизике
Использование логарифмов позволяет легко
работать с очень маленькими или очень
большими числами, избегая проблем с
точностью и диапазоном представления. Это
делает вычисления более эффективными и
надежными.

10.

Как используют логарифмы в Биологии и Медицине:
Оценка концентраций:
1. Логарифмические шкалы
используются для измерения
концентраций веществ в очень
широком диапазоне, например,
концентрации ферментов,
гормонов, лекарственных
препаратов.
2. Логарифмическое представление
концентраций упрощает анализ и
сравнение данных.
Анализ роста и развития:
1. Логарифмические функции
применяются для описания
экспоненциального роста
популяций микроорганизмов,
клеток, организмов.
2. Логарифмические графики
используются для визуального
представления кривых роста в
биологии и медицине.

11.

Логарифмическая спираль
Логарифмическая спираль - единственный тип спирали, не меняющей своей формы
при увеличении размеров. Это свойство объясняет, почему логарифмическая спираль
так часто встречается в природе.

12.

Как используют логарифмы в Астрономии и Космологии:
1. Измерение яркости небесных
объектов:
Звездная величина - логарифмическая
шкала для измерения видимой яркости
звезд и других небесных объектов.
2. Определение расстояний:
Использование логарифмических шкал
упрощает определение расстояний до
галактик, скоплений, квазаров и других
далеких объектов.

13.

А так же, логарифмы применяются в
таких сферах жизни как:
• ГЕОЛОГИЯ
• ИНЖЕНЕРИЯ И ТЕХНОЛОГИИ
• ЭКОНОМИКА И ФИНАНСЫ
• ИНФОРМАТИКА
• СОЦИОЛОГИЯ И ПСИХОЛОГИЯ

14.

Заключение
Таким образом, можно сделать вывод,
что логарифмы находят широкое и
разнообразное применение в различных
сферах человеческой деятельности.

15.

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16.

Real-life application
Divide the class into small groups of 3-5 students. Assign each group a real-life
application for which they will have to use math concepts to solve
- Решение показательных
уравнений
Consider transportation,
accommodation, meals and
other activities
1
2
Architectural design
Design a floor plan,
calculating the area of each
room with proper proportions
Topics
Personal finance
Include expenses like rent,
utilities, groceries and
entertainment
3
4
Epidemiology
Using statistical methods,
analyze data on infection and
recovery rates

17.

01
Problem-solving
strategies
Apply problem-solving strategies in various contexts

18.

Mastering mathematical communication
Clarity and
precision
Logical
organization
Visual
representation
The importance of
articulating mathematical
ideas with precision
Structure mathematical
reasoning coherently in a
logical sequence
The use of diagrams,
graphs, and charts to
supplement written
explanations
Active
listening
Justification
and proof
Versatile
communication
Engage with peers'
mathematical
explanations and provide
feedback
Justify mathematical
solutions, providing proof
to validate conclusions
Adapt your
communication style to
different audiences to
convey ideas

19.

Mathematics is the tool that turns curiosity into discovery

20.

Let’s use some percentages!
25%
50%
75%
Theory
Foundation
Exploration
25% of the math
curriculum is dedicated to
theoretical knowledge
50% of the curriculum is
spent creating a solid
understanding of maths
75% of the curriculum
cultivates advanced
analytical skills

21.

Milestones in mathematics
Euclid publishes "Elements"
Gödel's Incompleteness Theorem
300 BCE
1931
17th century
1994
The development of calculus
Proof of Fermat's Last Theorem

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Rubric
Criteria
Exceptional (4)
Proficient (3)
Basic (2)
Limited (1)
Conceptual
understanding
Deep, insightful
mastery of concepts
Solid understanding
and application
Basic grasp,
occasional struggles
Limited
understanding,
frequent errors
Problem-solving Exceptional, creative
skills
problem-solving
Strong skills with
various strategies
Basic skills,
occasional struggles
Limited ability,
frequent challenges
Communication
of ideas
Clear, precise
communication
Effective expression
of mathematical
ideas
Adequate but may
lack precision
Struggles to
communicate clearly
Accuracy of
calculations
Exceptional accuracy
in computations
High accuracy in
routine calculations
Basic accuracy,
occasional errors
Frequent errors in
calculations

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