^{th}gems post. This is where I share some of the latest news, ideas and resources for maths teachers.

**1. Show That**

These mixed topic 'show that' questions created by Josh Evans (@JevansMaths) and adapted by Catriona Shearer (@Cshearer41) are useful for revision. GCSE students often struggle to understand what is required in a 'show that' question. See Josh's tweet and Catriona's tweet for more like this.

**2. Plans and Elevations**

I always enjoy receiving my monthly email from MathsPad about their new resources. This month they featured a lovely free interactive Plans and Elevations tool, and (for subscribers only) a number of accompanying resources.

**3. Foundation Key Skills Booklets**

Mr Knowles (@SK18Maths) shared a set of three booklets focusing on key Foundation GCSE skills (algebra, number and data). I've already found the algebra booklet helpful - I used it with an intervention group I work with at another school. Each page has a 'personalised questions' section so I think these would be useful for one-on-one tuition sessions too.

**4. A Level**

A few A level resources have been shared on Twitter over the last couple of weeks. First, this integration challenge shared by Luciano Rila (@DrTrapezio):

And similarly, a great collection of 'Integration Lookey-Likeys' from Jonathan Dunning (@WaysWithMaths). Check out his blog post for more like this. I'll use these in C4 revision lessons.

If you subscribe to MEI's Integral, check out the new Rich Tasks for Further Maths, written by Jonny Griffiths (@maxhikorski). MEI will be releasing the full set of RISPs for Further Maths over the coming weeks.

I'm sure you're already familiar with RISPs for A level as they've been around for a long time, but if not then do check out the collection at risps.co.uk.

Thank you to Jon O'Neill (@JonONeillMaths) for a lovely idea. He suggested that we hold onto the workings from last week's UKMT Junior Maths Challenge and use it as backing for corridor displays. After my students completed the challenge I collected their workings and it was fascinating to look through them! It's lovely to see real mathematical thinking.

And similarly, a great collection of 'Integration Lookey-Likeys' from Jonathan Dunning (@WaysWithMaths). Check out his blog post for more like this. I'll use these in C4 revision lessons.

If you subscribe to MEI's Integral, check out the new Rich Tasks for Further Maths, written by Jonny Griffiths (@maxhikorski). MEI will be releasing the full set of RISPs for Further Maths over the coming weeks.

I'm sure you're already familiar with RISPs for A level as they've been around for a long time, but if not then do check out the collection at risps.co.uk.

**5. UKMT Wallpaper**Thank you to Jon O'Neill (@JonONeillMaths) for a lovely idea. He suggested that we hold onto the workings from last week's UKMT Junior Maths Challenge and use it as backing for corridor displays. After my students completed the challenge I collected their workings and it was fascinating to look through them! It's lovely to see real mathematical thinking.

**Updates**
In case you missed it, to mark the fourth anniversary of my blog I recently published my annual gem awards. This post featured a couple of new resources, including Jonathan Hall's great new Recall and Recap Quiz.

I've been so busy at school and home lately, I haven't had time to finish off a number of blog posts that I've had in draft for a while. But hopefully things will calm down soon. As I mainly teach exam classes, the second half of the summer term will be quieter for me in terms of teaching, but like everyone else I will have lots to do both inside and outside of school - I'll be attending a number of events in June and July and also working on my big summer project (watch this space!).

In other news from the last couple of weeks:

In other news from the last couple of weeks:

- One of Ed Southall's puzzles randomly went viral, appearing in hundreds (perhaps thousands) of newspapers, magazines and websites all over the world.
- Don Steward published loads of great resources including a set of GCSE ratio questions that will be really helpful for revision over the next few weeks.
- AQA revised their Level 2 Certificate in Further Maths qualification. First exams are in 2020. This is a popular choice for schools looking to extend their strongest Year 11s.
- Tom at PinPoint Learning launched a new free tool to create personalised revision packs.
- The Primary Maths Challenge 2018 is now open for entries. This lovely competition for Year 5 and 6 takes place in November.
- Rachel Mahoney (@RachelMahoney14) shared an adapted version of an idea I shared in Gems 87. This is a retrieval practice starter with the addition of a Corbettmaths Conundrum. I like this tweak. Read more about this on her new blog.

Finally, I'll leave you something mathematically delightful from Christian Lawson-Perfect (@christianp). He's the one who made the awesome and addictive Is This Prime? game. Christian has now made a fun online tool which performs a cool trick: writing any number as the sum of three palindromic numbers. Have a go now! You can read more about it in The Aperiodical.

Have a lovely sunny long weekend!

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