Invite young children to explore Math concepts through visually engaging, photographic leveled readers that make real-world connections. Children learn about counting, telling time, adding, estimating, patterns, and shapes as they develop literacy skills. 16 pages each.Invite young children to explore Math concepts through visually engaging, photographic leveled readers that make real-world connections. Children learn about counting, telling time, adding, estimating, patterns, and shapes as they develop literacy skills. 16 pages each.