Adventures in the Kingdom of Mathematics

Eleven-year-old Jiajia fell asleep in math class. When she woke up, she found herself in the magical kingdom of mathematics and became friends with the elf Pi. π Took the initiative to serve as Jiajia's guide and help her return home, but the King of Mathematics set many puzzles on Jiajia's way home. Only by solving the puzzles can we move forward. Can Jiajia solve all the puzzles and return home smoothly? Purpose: Consolidate mathematical knowledge