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Didactalia: material educativo > 12-14 urte/1º-2º ESO

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Percents

"Percents can be confusing, but there are methods we use to make them easier for us. Percents can be rewritten as fractions, or proportions, or as decimals. We can use multiplication and division to f ...

Percent Concentration

"To solve word problems involving percent concentration amounts, knowledge of solving systems of equations and percents is necessary. Percent concentration word problems involve solving for amounts an ...

Percent Change

"In math, sometimes we want to calculate the percent that something changes. Percent changes are often seen in word problems and are useful in many real world situations, for example when shopping sal ...

Money Word Problems

"Setting up a system of equations is usually effective when solving money word problems and word problems involving coins. A knowledge of how to solve systems of equations is necessary to solve these ...

Mixture Problems

"Some word problems using systems of equations involve mixing two quantities with different prices. To solve mixture problems, knowledge of solving systems of equations. is necessary. Most often, the ...

Age Word Problems

"Setting up a system of equations is usually effective when solving age word problems involving the ages of two people. Knowing how to solve systems of equations is necessary to solve these types of p ...

Ejercicios interactivos de triángulos rectángulos (Vitutor)

Una serie de ejericios para que los alumnos practiques los triángulos rectángulos (cálculo de medida de lados, ángulos desconocidos. diámetro de circunferencia, etc. ...

Problemas orientales

"Después de la I Guerra Mundial surgió un gran desequilibrio en el extremo Oriente entre una China dividida y pobre y un Japón moderno y potente. " Fuente: IcaritoProblemas orientales es un material e ...

Aprendiendo Matemáticas, recursos educativos de Mates

Malena Martín es la autora de Aprendiendo Matemáticas, un estupendo espacio dedicado a las mates donde 'vais a encontrar atención personalizada, recursos educativos matemáticos y la garantía de que re ...

Características y problemas del Tercer Mundo. Dependencia económica, subdesarrollo

"La problemática del Tercer Mundo: subdesarrollo, dependencia económica, conflictos sociales, conflictos armados, falsas democracias, etc. " Fuente: Proyecto Agrega Cara ...

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