GCSE Volume of a cone and frustum - Fluency, reasoning and problem solving questions

A full lesson for a GCSE class or more able KS3 class.
The lesson inlcudes:

• A retrieval practise starter
• Key notes and video
• I try, you try examples for volume of a cone
• I try, you try examples - in terms of pi
• A worksheet split up in to fluency, reasoning and problem solving
• I try, you try for working backwards to find a height/radius given the volume.
• Problem solving questions make links to triangular prisms, cylinders and density.
• Answers included
• Worked example for frustum
• Summary task

I hope it is useful, if you have any feedback please let me know in the comments below.
Please check out my other resources.
Thank you