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Beast Academy is the new elementary-school math curriculum from Art of Problem Solving. Beast Academy provides a full, rigorous, and entertaining curriculum for aspiring math beasts ages 6–13. The series consists of four two-book sets for each level. The Guide book of each set presents the lessons and the Practice book provides exercises and problems to reinforce the lessons.

Beast Academy 4B is the second set in the four-set series for Level 4. Guide 4B delivers complete lessons to the students of Beast Academy in an engaging comic-book style. The companion book, Practice 4B, provides over 300 problems ranging from introductory level exercises to very challenging puzzles and word problems, to reinforce the lessons in the Guide.

Beast Academy 4B covers the following topics:

Counting : Counting lists, choices, Venn diagrams, Factorials, counting pairs.
Division : Special quotients, dividing multiples of powers of 10, long division, divisibility.
Logic : Logic puzzles, grid puzzles, liars and truth-tellers.

Beast Academy 4B is the second part of our four-part series for Level 4:

Full Color. Paperback.
112 pages. 10 7/8 x 8 3/8 inches.
ISBN: 978-1-934124-52-9
Black and White. Paperback.
152 pages. 10 7/8 x 8 3/8 inches.
ISBN: 978-1-934124-53-6

For more information, reviews, printables, and errata, visit