Last week, I mentioned Craig Barton’s two latest websites; **Maths Venns** and **SSDD Problems** – Same Surface, Different Deep Structure maths problems. Read more on the website.

I was amused by Craig’s tweet to see that it’s not just himself, his wife and his Mum using his **SSDD Problems **website! Take a look at the many problems now available. The menu on the right is helpful for finding problems. I rather like **f(x) and g(x)**. The topic menu offers the chance to find more problems on functions; try **function notation**.

f(x) and g(x) – SSDD Problems

For **Chalkdust Magazine**, Rob Eastaway **thinking outside (and inside!) the box** with the nine dot puzzle and extensions.

Don Steward has also featured this classic puzzle in his post, **Dot Connecting**.

9 dot puzzle illustrated on Desmos

I often update posts, particularly very popular ones. As people bookmark the original I want the original address to be unchanged. I thought I would add a new indicator to show when a post has been updated. Here we have for example – **Functions**.

Maths Genie – Inverse and Composite Functions

**Stuart Price** (right-click once you have followed the link and you will be able to save the image) has very helpfully mapped legacy A Level questions to the Further Mathematics Core specification. This has also added to **Mapping Documents**, part of the **A Level Reform series**.

On **Saint Patrick’s Day**, (check Wolfram Alpha anniversaries and more for March 17th) it seems appropriate to have a look at **Project Maths**, an Irish site supporting Mathematics teachers. Looking at the teacher area, many resources are available. The traditional Leaving Certificate examination is the terminal examination of post-primary education and is taken when students are typically 17 or 18 years of age. **These teacher resources** are for this group of students. A site well worth exploring, looking at Algebra we see for example under expressions:

The **student resources** include many activities with accompanying GeoGebra files.

These **whiteboard templates** caught my eye, simply download the file, project it onto your whiteboard, use the interactive menu to choose the background you need and start writing!

- Project Maths Ireland – Whiteboard Templates

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