The focus of this Challenge is for children to become secure in identifying the whole and the parts and comfortable with the part-whole model. As this may be the first time they have seen the parts and the whole represented at the same time, they may count all three amounts to find how many altogether.
The whole is also shown at the bottom for the first time. Children should be encouraged to discuss and explain why each character thinks that their answer is the whole. This will deepen their understanding of the common misconceptions that occur when using the part-whole model.