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Mostrando entradas de abril, 2025

Andalusian culture related to geometry.

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  Hello guys! Geometry is more than a science, during all the history, geometrical figures have been part of many cultures. In Spain, a lot of different societies have influenced what we know nowadays as our country. In 711 st, ancient Spanish civilizations were invaded by the Muslims tropes, since that moment a new era involving architecture, art, religion… started in the country.  Many examples of Muslim architecture and Muslim art are still between us nowadays, these areas of the culture put geometry as an essential part of it. The Muslim repertoire is based on three decorative elements: epigraphy, vegetation and geometry.  Geometry is a key concept in Islamic art as it is present in architectural development as a guiding principle. The geometric Arabic designs of art are very varied and different but one of the most popular is the mosaic. Mosaics are made up by small glazed ceramic pieces of different shapes (usually geometric) and color that create a complex formatio...

Do you want to learn the areas?

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Hi guys! Today's post will be dedicated to the areas. These aspects are essential in terms of learning geometry as areas are applied in many situations in real life, for example, agriculture. The farmers need to know the area of their lands in order to divide them and be able to know how much land is avaliable for planting and measure it.  First of all, we need to define what area is, so the area is the amount of space occupied by a two dimensional figure. The standard unit of area is square units as areas are the total quantity of squares that belong to the surface of a closed figure. In other to calculate the areas of different figures, we use a formula and it depends on the figure, here you can see the differences:  This infography shows how each figure has its own area formula, which are very easy to apply if you follow the correspondent one.  Now let's talk about how to calculate an area of an irregular figure. As you can see in the image, regular figures are very ea...

Let's practice length exercises!

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  Hello guys! In today’s post I am going to talk about length and how to work with it in a classroom.  First of all, length is a physic magnitude which we measure the distance between two points with. Its principal unit of measure is the metre but it is composed by this units:  This is the metre scale, we use this as stairs because it is more visual and easy to remember for the kids. Each step is a change of measure, when the steps are for going up, the measure loses quantity but when the steps are for going down, the measure acquires quantity. In order to understand this scale, kids only have to think as if they were going up or down stairs, this way they will easily remember the different calculations that they have to carry out.  In order to practise length exercises, here you can find some examples depending on the difficulty level:  Level 1:  Peter’s pencil measures 15 centimetres. Ana’s pencil measures 10 centimeters. How much longer is Pedro’s pencil...

Spatial geometry game. The Rubik’s cube.

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  Hi guys! This post will be dedicated to spatial geometry. This area of geometry studies voluminous figures that occupy a place in the space, also it studies the properties and measure of the geometrical figures in the 3D space.  Some examples of this figures are the following:  1. Cube: This is a 3D figure that has 6 faces, 12 edges and 8 vertices. All its angles are right, which mean that are 90º and each side has the same length. For example: a dice, this is a very visual example and students are able to relate it to the figure.  2. Pyramid: This is a 3D figure that has a polygon base and triangular faces and all of them are connected to the apex, which is the higher point of the figure. The pyramid has 5 faces, 4 triangular side and a base. For example: Egyptian pyramids, which are historical figures and the history of them is very useful in order to engage the attention of the students in this topic.  3. Sphere: This is a 3D figure that is created of a per...