### Blogroll

### Twitter Updates

- @danieltybrown The most accessible stuff is through the numberphile videos. Type: Numberphile -1/12 in YouTube. 3 days ago
- @danieltybrown Most surprising: sum of natural numbers equals -1/12 4 days ago
- RT @DanielPearcy: Swiss Mathematics Conference 2018. @Kris_Boulton @inquirymaths . Sign up here. goo.gl/eLqEUk #PlusMathsConf htt… 2 weeks ago
- Swiss Mathematics Conference 2018. @Kris_Boulton @inquirymaths . Sign up here. goo.gl/eLqEUk… twitter.com/i/web/status/9… 2 weeks ago
- Calling all Secondary Mathematics Teachers! Swiss Mathematics Conference 2018 #PlusMathsConf Sign up today!… twitter.com/i/web/status/9… 2 weeks ago

# 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.