1, the third grade math picture book is a set of books specially written for preschool children aged 3-6 who have difficulty in learning math and don't know where to start. It is an enlightening picture book with mathematical knowledge, interesting stories, exquisite illustrations, interesting games and hands-on maps.
2, the book ***20 volumes, each volume is an independent story, an independent knowledge point, the story is close to life, more likely to cause children's * * * sound, let children have an interest in reading, and unconsciously master basic mathematical concepts.