Colors and shapes are usually paired off because it's easy to learn both at the same time. There is no confusion and it actually makes learning so much fun and easy. The colors can be used as adjectives of the shapes so learning both will make it possible to easily separate one concept from the other later on. Start learning today! | Now I Know My Colors and Shapes Workbook Toddler-Grade K - Ages 1 to 6 by Gusto Gusto, Paperback | Indigo Chapters