This is a compressive lesson that contains everything you need to introduce students to PEDMAS. The PowerPoint including the following:Warm up Activity + answers.I DO questions + answers.WE DO questions + answers.YOU DO questions + answers.Also included is an engaging worksheet where students must solve questions to answer a riddle. As a bonus there is also a printable A3 Poster on PEDMAS. This is Lesson 01 of the Introducing Algebra unit.