# Category Archives: Number

## Allowing Students to Discover the “Mystery” of Square Roots (Surds)

Here’s my attempt at investigating operations with square roots (surds) when you’re not prescribed by a GCSE/IGCSE syllabus. This is only a general outline of the lessons we’ve had so far but it’d be great to hear how other people go … Continue reading

## Percentage Increase and Decrease Applet: Any improvements?

Here’s a Geogebra app I made to help students who were struggling with percentage increase and decrease. Can anyone think of any improvements? Click the picture to go to the link.

## Equivalent Fractions Applet

Click the picture to go to the applet.