Firstly, open the discussion image and make any notes about what the children are saying. Do you agree with them? If so, why? If you don’t, can you explain where their thinking may be incorrect?
Next, open Powerpoint Lesson 7 Part A and follow through completing the activities and clicking on the links as you go. Next, open PoerPoint Lesson 7 Part B. All the sheets you need are at the bottom.
There may be some activities you can't so with this, but feel free to research them online if you can. And don't forget to record any work you do as you go. Have fun!