Welcome to my 92nd gems post. This is where I share some of the latest news, ideas and resources for maths teachers. The summer holidays are here – hurrah! Time to relax, have fun and let our mental and physical health recover before we go back for fresh starts with new classes in September. 1. Equivalent RatiosI like this equivalent ratios activity from Richard Tock (@ticktockmaths). Below is an extract showing some of the ratios that must be simplified and grouped. These…