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Movements on  the plane

In this unit we will focus on transformations on the plane in a very intuitive and practical way. The idea is to try and "visualise" the movements before conceptualising them. In the last section, Sym ...

Math in an envelope

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 ...

Origin of symmetry: juego para infantil para trabajar las simetrías

Origin of symmetry es un juego de la sección "rincón de Luca" de retomates. Se trata de un juego simple en el que se tiene que construir la figura simétrica a la que apa ...

Concept and expression of a real function

You'll learn the concept of real function, to work different features (monotony, extreme, symmetry, periodicity, ...),to analyze the different aspects from two points of view: analytical and graph ...

Symmetry of planar shapes (Proyecto Agrega)

Cuatro ejercicios, en inglés, en el que repasaremos la simetría de formas planas. We will analyse the different polygons while looking for symmetry. Symmetry of planar shapes es un contenido didác ...

Symmetry (Proyecto Agrega)

Secuencia de enseñanza, en inglés, sobre los aspectos relacionadas sobre la simetría en formas planas, el eje de simetría y la simetría del punto. In this teaching sequence, we will consider all t ...

Graphing Quadratic Equations

"When graphing quadratic equations, there are a few key terms that we can identify to help us graph quadratic functions more efficiently. Instead of plugging in values, we can find specific characteri ...

Quadratic Graphs

"When we graph quadratic functions, we always get a parabola (or U) shape and symmetry in the table and graph. One easy way to complete quadratic graphs is to make a table of values by plugging in x-v ...

Axis symmetry

"We will introduce different objects found in everyday life in which an axial symmetry exists, and others in which it appears to exist. We will deduce the conditions that must be met by a shape f ...

Axes of symmetry: identification and drawing.

"We will use the alphabet in capital letters to identify those letters that have one or two axes of symmetry and those that have none." Fuente: Proyecto Agrega Axes of symmetry: identificat ...

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