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# Recursos > proportionality

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Hipervinculo Matemáticas

## Rule of Three Calculator

A useful calculator for solving direct and inverse rules of three. It comes with an explanation of the different types of rules of three.

A rule of three is a method to find the fourth term of a propor ...

Hipervinculo Matemáticas

## Proportionality and percentages

A ratio is a comparison of two numbers. We generally separate the two numbers in the ratio with a colon (:) or write it as a fraction. A proportion is one equality with a ratio on both sides. A perc ...

Hipervinculo Matemáticas

## Unit Rates

Discover the unit rate while shopping for fruits, vegetables, and candy. Construct a double number line and look for patterns. Challenge yourself on the race track as you compare cars with different r ...

Hipervinculo Matemáticas

## Proportion Playground

Play with ratios and proportions by designing a necklace, throwing paint balloons, playing billiards, or shopping for apples! Make predictions about proportions before they are revealed.

Objetivos de A ...

Hipervinculo Matemáticas

## Ejercicios de Matematicas para 2º ESO

Una colección de actividades educativas para la asignatura de Matemáticas de 2º de Secundaria. Los ejercicios hacen referencia al siguiente temario:

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