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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 4D is the fourth set in the four-set series for Level 4. Guide 4D delivers complete lessons to the students of Beast Academy in an engaging comic-book style. The companion book, Practice 4D, provides nearly 500 problems ranging from introductory level exercises to very challenging puzzles and word problems, to reinforce the lessons in the Guide.

Beast Academy 4D covers the following topics:

Fractions : Multiplying fractions and mixed numbers and division by unit fractions.
Decimals : Place value, converting between fractions and decimals, comparing and ordering decimals.
Probability : Counting strategies review, coins, dice, random events, and geometric probability.

Beast Academy 4D is the fourth part of our four-part series for Level 4:

Full Color. Paperback.
112 pages. 10 7/8 x 8 3/8 inches.
ISBN: 978-1-934124-56-7
Black and White. Paperback.
152 pages. 10 7/8 x 8 3/8 inches.
ISBN: 978-1-934124-57-4

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