You are bidding on two brand new paperback math books from Beast Academy, presented by The Art of Problem Solving:

Math Guide 4D

Math Practice 4D

Beast Academy is a Full Math Curriculum for Grades 2-5
Students learn problem-solving skills through rigorous math lessons taught by engaging, comic-book style characters. Learn math from rigorous, beautifully illustrated guidebooks. Reinforce and master concepts with hundreds of practice problems, puzzles, and games.

Beast Academy provides a fun, rigorous, challenging, complete curriculum for aspiring math beasts. Unit 4D includes chapters on fractions, decimals, and probability.

The Guide book is written in an engaging comic book style, and the Practice book provides over 500 problems ranging from introductory level exercises to very challenging puzzles and word problems.