5 Maths Gems #32

Hello too welcome to my 32nd gems post. This is where I part teaching ideas too resources I've seen on Twitter.

1. Expression of the Day
You mightiness already last familiar with Jeremy Denton's (Number of the Day. He's right away created Expression of the Day too. These activities tin last used to ensure that students oft practise their position out too algebra skills. Do banking firm tally out Jeremy's weblog post Starter Activity - Expression of the Day for the PowerPoint file too an illustration of how to piece of job this fantastic resource.
2. Maths Documentaries
In the final lesson or 2 of the schoolhouse twelvemonth some teachers present videos during maths lessons, which I intend is fine every bit long every bit students are learning nigh maths from those videos. Not certain what to show? Thanks to @AlgebraFact for sharing this page of Mathematics Documentaries from CosmoLearning - enough to pick out from here.
For to a greater extent than ideas for halt of term lessons, run across my post 'End of term!'.

3. Angles inwards a Polygon
Thanks to @sporteredu for sharing these pictures showing a practical demonstration of the outside angles of a polygon summing to 360o.  
@ProfSmudge shared a similar laid of pictures of an irregular pentagon.
I've ever used an animation to demonstrate this too convey never thought of doing this lovely paper-based alternative.
For to a greater extent than animations run across my post Animations too Simulations.

4. Reasoning Statements
Thanks to Mel (@Just_Maths) for sharing this awesome circle theorems activeness 'Great angle chase'. I honey activities similar this - it's my favourite form of maths problem.
I was real pleased that Mel shared this link because it led me to a resources website I'd never seen before. I've right away added lots of resources from Top Drawer Teachers to my resources libraries. 

I especially liked these reasoning statements -  a groovy listing of propositions for class discussion. The instructor presents a suggestion too asks questions such every bit "Is it true?", "Is it simply sometimes true, or is it or ever true?", "When is it true? How do y'all know?",  "How could nosotros demonstrate/show/prove that it is true?".  Examples include:
  • The hateful of iii consecutive numbers is the middle number.
  • Triangles tessellate. 
  • Volume = expanse of the halt × length 
  • If the H2O inwards our dams increases past times 10% this month, too thence decreases past times 10% adjacent month, it volition last dorsum to where it started.
5. Zoolander
Mary Pardoe (blog post past times Simon Gregg (@Simon_Gregg) nigh teaching Year 4 nigh scaling. It features a Zoolander enquiry from Robert Kaplinsky (@robertkaplinksy). Fans of Zoolander volition similar this!



Students demand to intend nigh how many times would y'all demand to scale a model upwards to brand a existent school. Questions to enquire too possible approaches are detailed on robertkaplinksy.com.

Update
here).
  • Did y'all run across my page 'New GCSE Support' which links to resources for the novel GCSE topics? I'll last adding a lot to a greater extent than resources over the adjacent duet of months. You tin access this page from the 'Extras' card on my weblog (top correct - unless you're viewing the mobile site inwards which illustration you'll demand to click on 'view spider web version' to run across this menu).
  • The London Maths Hubs are joining forces to run a conference on Th ninth July. It looks similar a practiced pick of speakers too workshops thence if you're based inwards or close London it would last worth bespeak for a twenty-four hr catamenia out of schoolhouse thence y'all tin attend.
  • There's some lovely novel resources coming from my favourite websites lately - do banking firm tally out the recent offerings from MathsPad, Teachit Maths too Median Don Steward
  • This article nigh the relative difficulty of maths exams to a greater extent than or less the footing is interesting. I similar these box plots:
    • Finally, Billy Adamson asked people to depict maths inwards 1 word too here's the fantastic results:
    Have a groovy calendar week everyone!