2 4 6 8 math with dinos is so GREAT! This Step 1 early reader will introduce the fundamentals of addition and the concept of doubling.First there's one dinosaur then two then four... keep up the doubling and there will sixty-four dinosaurs before the story's through. The dinosaurs like to stomp and play but they seem to keep multiplying. This math reader is a great introduction to the concept of addition and doubling.Step 1 Readers feature big type and easy words for children who know the alphab