Beast Academy: Math 3D (Practice Book)
Recommended for students ages 9‑10.
Beast Academy provides a fun, rigorous, challenging, complete curriculum for aspiring math beasts. BA Level 3D includes chapters on fractions, estimation, and area.
The Guide book is written in an engaging comic book style, and the Practice book provides over 400 problems ranging from introductory level exercises to very challenging puzzles and word problems.