Beast Academy: Math 3A (Guide)
Recommended for students ages 9‑10.
Beast Academy provides a fun, rigorous, challenging, complete curriculum for aspiring math beasts. BA Level 3A includes chapters on shapes, skip-counting, and perimeter & area.
The Guide book is written in an engaging comic book style, and the Practice book provides over 300 problems ranging from introductory level exercises to very challenging puzzles and word problems.