Starting to Explore Four Consecutive Numbers

Age 11 to 16
Challenge Level

This is the first problem in a set of three.  The other two are:

Continuing to Explore Four Consecutive Numbers and

Is There More to Discover About Four Consecutive Numbers?

This set of problems offers students the opportunity to explore, conjecture and use algebra to justify their findings.

This problem featured in the NRICH Secondary webinar in June 2022.