In fact, there are quite a few such books. You can subscribe at the post office or ask your child's teacher to recommend it. I know a magazine called Inside and Outside the Classroom, which seems to have been around for 30 years. I remember reading it when I was a child, and I saw it again when I went to the post office to order books some time ago. Good memories, hehe, since I have been running for so many years, it should be good. You can find out for yourself.

Ps: I just checked. The "Intelligent Mathematics" in the "Inside and Outside the Classroom" series is very suitable for your child's needs. There are also math stories, problem-solving skills, stage tests, etc., which will definitely arouse children's interest in mathematics. Hope to adopt!