Visualising models GM4.3 Extension Starter This is a sketch of a model made from rods and black and grey beads. Each bead is about a quarter of the way along a rod. These two sketches show the same model, but the beads have not been coloured. Work out which colour each bead should be. Preamble This is an exercise in spatial visualisation. Give pupils the opportunity to explain how they arrived at their answers, pointing out on the image or using an actual model if necessary. Possible content Spatial imagery. Resources None, but an actual model may help some pupils. Solution/Notes