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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 5C is the third set in the four-set series for Level 5. Guide 5C delivers complete lessons to the students of Beast Academy in an engaging comic-book style. The companion book, Practice 5C, provides nearly 600 problems ranging from introductory level exercises to very challenging puzzles and word problems, to reinforce the lessons in the Guide.

Beast Academy 5C covers the following topics:

Sequences : Patterns, finding terms, arithmetic sequences, and triangular numbers.
Ratios & Rates : Ratios, proportions, speed, rates, and unit conversions.
Decimals : Powers of 10, multiplication, division, and converting between fractions and decimals.

Beast Academy 5C is the third part of our four-part series for Level 5:

Full Color. Paperback.
104 pages. 10 7/8 x 8 3/8 inches.
ISBN: 978-1-934124-64-2
Black and White. Paperback.
160 pages. 10 7/8 x 8 3/8 inches.
ISBN: 978-1-934124-65-9

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