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These pages aim to present some of the most important mathematical problems in chronological order. It is not intended to be an exhaustive explanation of each problem but to simply show the evolution ...
As Thales' theorem tells us, trigonometrical ratios of an angle do not depend on the right-angled triangle we choose. Therefore, we can choose a right-angled triangle whose hypotenuse is the radius of ...
Before beginning this unit we assume that students have already worked with some functions, in particular functions which deal with proportion. Through the activities in this unit we expect the studen ...
In this unit we will learn how to construct and 'define' star-shaped polygons. The first part involves a description of how to construct them, using a ruler and compass, although we will be using the ...
Counting was one of the first mathematical activities that primitive man had to learn how to do. Expressing a quantity with symbols meant a great step forward as they were the first number systems. Ho ...
An envelope is an object which is used a lot in everyday life. We have all used envelopes to put letters or important documents into and as students we have often had to use them. However, as well as ...
Nesta unidade aprenderás a: Clasificar os números reais en racionais e irracionais. Aproximar números reais por truncamento e redondeo. Representar gráficamente números reais. Comparar números reais. ...
Nesta unidade aprenderás a: Lembrar e profundar sobre proporcionalidade directa e inversa, proporcionalidade composta e reparticións proporcionais. Lembrar e profundar sobre porcentaxes e variacións p ...
Aprenderás a: Representar e ordenar números enteiros Operar con números enteiros Aplicar os conceptos relativos aos números enteiros en problemas reais Recoñecer e representar número racionais Operar ...
Aquesta quinzena aprendràs a: Trobar els esdeveniments d'un experiment aleatori i operar amb ells. Calcular la probabilitat d'un esdeveniment aplicant la regla de Laplace. Conèixer les propietats de l ...
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