Description Textbook Features 1. A Textbook Faithful to the Curriculum This textbook actively embodies the goals of the 2015 revised curriculum, which aims to cultivate creative and convergent thinkers, while also reducing learning burdens for students. 2. A Textbook Packed with Learning Materials Includes a variety of hands-on learning materials such as number cards, stickers, shape pieces, unfolded diagrams, transparent film, and reflective mirrors, all designed to spark students' interest and curiosity.