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Mathematics site for secondary education: Exercises and theory
Mathematics exercises for secondary education within the four major components:
- number theory,
- geometry,
- function theory,
- statistics.
divided by year and by chapter, supplemented with mathematical riddles and challenges.
The theory is presented quite …
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OpenStax: Textbooks
OpenStax offers free textbooks to all types of students, making education accessible and affordable for everyone.
You will find books on the topics:- bookkeeping;
- economy;
- management and marketing;
- nursing;
- Sciences;
- human Sciences;
- math; …
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Trigonometric numbers of related angles: GeoGebra applet
A tool to view the relationship between the trigonometric numbers of related angles on the trigonometric circle. You can click which related angle you want to see or which trigonometric numbers you want to see.
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Business arithmetic: All calculations that you need to be able to make as an entrepreneur
Learning how to become a successful entrepreneur starts with business arithmetic. You can learn many types of calculations that entrepreneurs make every day. You can practice these types of calculations on this website through interactive …
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Mathness: Videos about math applications and professions
What can you do with mathematics? And in which professions do you use mathematics? What is mathematics used for? What role does mathematics play in everyday life and what is the use of mathematics in society? In short: why mathematics?
Mathness …
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IMAGE: Interactive map generator
IMAGE is a web tool used to generate thematic maps using NUTS boundaries and statistical regions. The tool supports users in creating professional statistical maps that comply with Eurostat's style guide and can be applied based on available data …
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Group games: Brainteasers and puzzles for young and old
On this site you will find a collection of brainteasers, puzzles, rebuses, doodles, brainteasers, riddles, tongue twisters, anagrams, 24 games, quiz questions and puns.
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NASA Science: Open Source Science Initiative
The space agency NASA is committed to building an inclusive open science community. Open source science is a commitment to openly sharing software, data and knowledge (such as algorithms, articles, documents, additional information) as early as …
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Build a graph of a function: GeoGebra applet
What is the graph of a function? How is it constructed?
You enter a function statement, choose x values and immediately see the corresponding y values being calculated. You can then have the point (x,y) of the graph drawn.Translated by
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Geogebra: Math solver
GeoGebra developed this math solver that solves first and second degree equations step by step and simplifies arithmetic expressions. If you enter an equation, after clicking on the plus icon you can enter a second equation and solve the system …
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Geogebra: Practice math
GeoGebra developed an online practice option: GeoGebra Math practice.
Math Practice is a tool to master algebraic notation. It supports a step-by-step approach to problems, allows you to explore different approaches and supports confidence, fluency …
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Measuring and communicating
This website is suitable for all grades, with attention to:
- quantities;
- units;
- scientific notation;
- vectors and operations with vectors;
- measurement errors;
- meaningful numbers;
- scientific method.
You will find detailed theory on the above topics, …
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