We've published a selection of student solutions to our problem Connecting Averages from students in India, Hong Kong, Japan and the UK.
Take a look at their ideas: nrich.maths.org/problems/con...
nrich.maths.org
Connecting Averages | NRICH
Enriching mathematics for all students aged 3-18, with free curriculum-linked resources designed to nurture curious, resourceful and confident learners of school mathematics. 🗺️ Faculty of Mathematics at the University of Cambridge 🌐 nrich.maths.org