This is a great lesson to help children understand 2d drawings representing 3d objects. If you use it could you review it? The lesson uses websites listed on lesson plan. These involve isometric paper on the whiteboard, along with exploding 2d pictures of 3d shape blocks to help children visualise them more easily. Children predict from the worksheets how many blocks they can see and use real 3d blocks to confirm their predictions. Files attached with answers in case you are not sure (as the teacher)!