Welcome to my 98th gems post. This is where I share some of the latest news, ideas and resources for maths teachers. 1. Area ActivityThanks to @MrNiksMathClass for sharing a nice activity in which students apply their knowledge of area formulae. Too often measurement problems become just an exercise in evaluating formulas. Make it more interesting by taking away all the numbers. In this example, students must find values (no repeats) for the dimensions so that all the shapes have…