RiddleMath 
Subtitle: Using Student-Written Riddles to Build Mathematical Power
Publisher: Morning River Publications
Published: April 1, 2001
Format: Paperback
Number of pages: 158
ISBN-13: 9780970445902
Subjects: Children: Grades 3-4; Education; Mathematics; Puzzles; Riddles, Juvenile; Teaching Methods & Materials; Education / Teaching Methods & Materials / Mathematics
First sentence: In this lesson students solve riddles involving quantities of four kinds of beans.