AfterMaths: Kaprekar’s Constant, Odd Numbers and Everyday Problem Solving

In this Aftermaths episode of The Primary Maths Podcast, Jon and Becky return after the Easter break with a lighter, curiosity-driven conversation that blends real mathematics with everyday life.

Jon introduces a fascinating mathematical quirk known as Kaprekar’s constant. Starting with almost any four-digit number and following a simple process of rearranging and subtracting digits, you will always arrive at 6174. It is a brilliant example of how pattern, structure and curiosity can bring maths to life, and offers a simple but engaging classroom investigation.

The conversation then shifts into “Maths of Life”, as Becky shares a very relatable problem: calculating the area of an awkwardly shaped driveway. What follows is a great discussion about different ways to break down complex shapes, and how mathematical thinking allows us to approach the same problem in multiple valid ways.

Finally, Becky brings back “Etymathsology”, exploring the origins of mathematical language. This week includes the surprising Norse roots of the word “odd”, the evolution of “even”, and the historical meaning of “score” as a way of counting in twenties.

As ever, the episode is a reminder that maths is everywhere, from number curiosities to home improvements to the words we use every day.

If you enjoy the podcast, please follow, subscribe and leave a review. It really helps more people discover the show.

We always love hearing from you. If you’ve spotted some maths in your everyday life, get in touch and we might feature it in a future episode.

Email: primarymathspodcast@twinkl.co.uk

Jon’s LinkedIn: https://www.linkedin.com/in/joncripwell/

Substack: https://primarymathspodcast.substack.com/

Tämä jakso on lisätty Podme-palveluun avoimen RSS-syötteen kautta eikä se ole Podmen omaa tuotantoa. Siksi jakso saattaa sisältää mainontaa.

Jaksot(85)

Who Decided How Long a Metre Is? AfterMaths Summer Special 3

Who decided how long a metre should be? Why is a mile 1,760 yards? And what connects the French Revolution, an expedition from Dunkirk to Barcelona and the speed of light?In this AfterMaths Summer Spe...

7 Elo 22min

The Probability Problems That Make Your Brain Hurt - AfterMaths Summer Special 2 2026

Probability often feels as though it should be intuitive, right up until the mathematics tells us that our instincts are completely wrong.In this AfterMaths Summer Special, Jon and Becky explore the s...

31 Heinä 30min

Why Do Summer Holidays Feel Shorter As We Get Older? Summer Special 1 2026

Why did the six-week summer holiday feel endless when we were children, yet now seems to disappear almost as soon as it begins?In the first of the 2026 Aftermaths Summer Specials, Jon and Becky explor...

28 Heinä 29min

KS2 SATs Results, AI and Outsourcing Mathematical Thinking

What do this year’s KS2 SATs results really tell us about primary maths—and what might they be hiding?Jon and Becky examine the newly released national data, including the rise in maths attainment, th...

17 Heinä 37min

Teaching in a Heatwave and is there a Place for Maths Hacks?

In this episode of the Primary Maths Podcast, Jon and Becky ask whether we need to change the way we teach maths during a heatwave.With classrooms getting hotter and the end of term in sight, they exp...

10 Heinä 30min

World Cup Maths, Equity and Oracy in the Primary Classroom

World Cup Maths, Equity and Oracy in the Primary ClassroomIn this episode of the Primary Maths Podcast, Jon and Becky talk end-of-year school chaos, transition days, classroom moves, and the strange j...

3 Heinä 33min

Escape Rooms and Problem Solving (AfterMaths)

In this episode of The Primary Maths Podcast, Jon and Becky reflect on the realities of summer term: heatwaves, report writing, and the heroic act of trying to teach when everyone is melting.They then...

26 Kesä 37min

What We Can Learn from This Year’s Maths SATs?

In this aftermaths episode of The Primary Maths Podcast, Jon and Becky take a look back at this year’s KS2 maths SATs papers and ask what teachers and maths leads might learn from them.They discuss wh...

18 Kesä 33min