This Integrated Mathematics unit helps students connect ratios, proportional thinking, measurement and geometry through a structured learning pathway and a real-world design project. Students progress ...

THE strict theory of geometrical proportion is difficult, and, with few exceptions, elementary students are quite unable to understand it. Opinions differ as to the compromise that is best suited for ...

Though it may be viewed as a useless subject, geometry carries truth. As one of the quadrivial arts (arithmetic, geometry, astronomy, and music as taught in antiquity), geometry helps us understand ...

A collection of three worksheets on ratio and proportion and percentages. The exercises require to simplify fractions, calculate a percentage of an amount, the percentage increase and decrease of an ...