A quiz to review percentages

All our students know what a percentage is, and how to calculate percentage of a quantity. So, all we want to get is to review some concepts, and methods of calculation. And, if it is possible, to make it enjoying.

So, finally we organized a quiz between two teams. They can get some points, and they can also lose them if they are wrong in any answer. Here you have the presentation we used. It was really funny, and we use two or more sessions to finish the quiz!

4 percentages game

View more PowerPoint from frangargil

Ratio and proportion

In order to work the contents about ratios, and direct or inverse proportions, we download and adapt the following presentation and try to explain the students directly in English:

Direct proportion

View more PowerPoint from Dep. de Matemáticas - IES Ciudad de Hércules

We shouldn't abbuse of magistral classes, but sometimes we need them