More MATHinking Tasks from Nrich Maths

* Same Length Trains: https://nrich.maths.org/4332

* Matching Triangles: https://nrich.maths.org/5638

* Chain of Changes: https://nrich.maths.org/221

* Repeating Patterns: https://nrich.maths.org/5944

* The Animal’s Sports Day: https://nrich.maths.org/7789