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

**1. Access Maths**

I first blogged about @AccessMaths' resources in Gems 47. Last week he started sharing a new set of resources for GCSE teachers. One thing that caught my eye was his 100 'Crossover Style' questions revision mat. I have to set cover for my Year 11s on Friday and they'll be getting this activity, printed on A3.

There are loads of new resources on Grant's 9 - 1 GCSE page, many of which I have now added to my resource libraries. Do check them out.

**2. Puzz Grid**

Dave Taylor (@taylorda01) tweeted about an addictive website called Puzz Grid where you can easily set up your own grids or play other people's grids. It's a timed game where you have to select groups of four squares that are linked together. Dave shared one of his own creations here.

This website works just as well for maths as it does for other subjects. It's really fun - have a go and you'll see what I mean.

In my angles in parallel lines presentation at #mathsconf13, I shared one of my all-time favourite resources, which was created by Daniel Schneider (@MathyMcMatherso). I first blogged about this back in Gems 26 and I have used it in lessons many times since then.

I had forgotten that there were similar and equally awesome activities in the geometry section of Daniels's blog until he mentioned it after #mathsconf13. So I decided to feature this resource again - the second time it's been in a gems post - because I love it.

I spotted an activity that I've not seen before in this tweet by Jae Ess (@jaegetsreal)

The idea is that each group of four students is given a card. Each student solves one of the four problems. Once they've all solved their problems they add up their answers and the sum should equal the number in the middle. If it doesn't then the group has to look at the four solutions and figure out which one is wrong. Sara Van Der Werf (@saravdwerf) blogged about it here.

Richard Tock (@TickTockMaths) wrote a post about #mathsconf13 in which he said that he was going to start sharing his resources for free. It's worth having a look at Richard's resources and blog posts because there's some great stuff there. I enjoyed his recent post 'Interesting Questions' where he wrote about task design.

I had a quick browse through Richard's resources and liked the uncluttered layout of his slides, and his clear explanations.

He uses nice activities in lessons - check out his factorising linear expressions slides for some examples.

In case you missed it, I recently wrote a post about saving the FMSP, and I blogged about BCME 9.

Colin Foster (@colinfoster77) shared a great article that he wrote for the MA journal Mathematics in School. It's about different methods for finding the nth term of a sequence. If you're teaching quadratic sequences this year, give it a read. This is the kind of subject knowledge development that teachers need more of!

If you teach mixed attainment or you're an FE teacher teaching GCSE resit then note that two conference dates have been announced and added to my conferences page. The next Mixed Attainment Maths Conference is in London on 27th January. The GCSE Maths Resit Conference is on 17th March in Sheffield.

Finally, my maths teacher friends and I had a great time at the Festival of the Spoken Nerd show in Redhill on Thursday. It's not too late to get tickets for the tour - I highly recommend it!

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**Parallel Line Mazes (again!)**

In my angles in parallel lines presentation at #mathsconf13, I shared one of my all-time favourite resources, which was created by Daniel Schneider (@MathyMcMatherso). I first blogged about this back in Gems 26 and I have used it in lessons many times since then.

I had forgotten that there were similar and equally awesome activities in the geometry section of Daniels's blog until he mentioned it after #mathsconf13. So I decided to feature this resource again - the second time it's been in a gems post - because I love it.

**4. Add 'Em Up**

I spotted an activity that I've not seen before in this tweet by Jae Ess (@jaegetsreal)

2-step eqn notes today and prepped a @saravdwerf add em up activity for practice tomorrow #teach180 #iteachmath pic.twitter.com/NtSHfQRTR2— Jae Ess (@jaegetsreal) 10 October 2017

The idea is that each group of four students is given a card. Each student solves one of the four problems. Once they've all solved their problems they add up their answers and the sum should equal the number in the middle. If it doesn't then the group has to look at the four solutions and figure out which one is wrong. Sara Van Der Werf (@saravdwerf) blogged about it here.

**5. TickTock Maths**

Richard Tock (@TickTockMaths) wrote a post about #mathsconf13 in which he said that he was going to start sharing his resources for free. It's worth having a look at Richard's resources and blog posts because there's some great stuff there. I enjoyed his recent post 'Interesting Questions' where he wrote about task design.

I had a quick browse through Richard's resources and liked the uncluttered layout of his slides, and his clear explanations.

He uses nice activities in lessons - check out his factorising linear expressions slides for some examples.

**Update**

In case you missed it, I recently wrote a post about saving the FMSP, and I blogged about BCME 9.

Colin Foster (@colinfoster77) shared a great article that he wrote for the MA journal Mathematics in School. It's about different methods for finding the nth term of a sequence. If you're teaching quadratic sequences this year, give it a read. This is the kind of subject knowledge development that teachers need more of!

If you teach mixed attainment or you're an FE teacher teaching GCSE resit then note that two conference dates have been announced and added to my conferences page. The next Mixed Attainment Maths Conference is in London on 27th January. The GCSE Maths Resit Conference is on 17th March in Sheffield.

I'm speaking about resources at the Power of Six Conference in London this Thursday. Do say hello if you're there (though I have to leave at 11am to get back to school for a 1pm lesson, so sorry if I have to rush off!).

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