# Author Archives: Pascual Sánchez

## PISA 2018: Programme for International Student Assessment

Mathematical performance, for PISA, measures the mathematical literacy of a 15 year-old to formulate, employ and interpret mathematics in a variety of contexts to describe, predict and explain phenomena, recognising the role that mathematics plays in the world. Check the … Continue reading

## Olimpiada Matemática de Albacete

Download the problems and do at least four of them: (Deadline March, 22nd) 1st and 2nd ESO 3rd and 4th ESO

## Nets of Platonic Solids

Download the nets of Platonic Solids Platonic Solids (PDF)

## Introduction to trigonometry

Trigonometry is the study of the properties of triangles. Why is it important? It’s used in measuring precise distances, particularly in industries like satellite systems and sciences like astronomy. It’s not only space, however. Trig is present in architecture and … Continue reading

## 10 Most important numbers in the World

## Where do math symbols come from?

Math is full of symbols: lines, dots, arrows, English letters, Greek letters, superscripts, subscripts … it can look like an illegible jumble. Where did all of these symbols come from? John David Walters shares the origins of mathematical symbols, and … Continue reading

## MECD: Programa de Inmersión lingüística en colonias de vacaciones.

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