[2015 revision] Elementary school math 2-1

1. Textbook faithful to the curriculum
The purpose of the 2015 revised curriculum, which is to cultivate creative and convergent talents, was actively implemented and the learning burden was reduced.

2. Textbook containing various learning materials
We included various materials needed for learning, such as number cards, stickers, shape pieces, development diagrams, transparent films, and reflective mirrors, to stimulate learners' interest and curiosity.