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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 ...

Jouez avec des ratios et des proportions en concevant un collier, en jetant des ballons de peinture, en jouant au billard ou en achetant des pommes! Faire des prédictions sur les proportions av ...

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 ...

Identify proportions by cross multiplying or simplifying ratios.

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