How Did You Count?, the latest title in Christopher Danielson’s collection, is sure to spark conversation, questioning and wondering in students of all ages.  Meer

The Teacher's Bundle includes the 84-page Teacher's Guide, 36-page hardcover student book, and access to digital formats.  Meer

This book is different from many other books about shapes. Every page asks the same question and every answer can be correct. It’s a book that will spark conversation, make you think and wonder.  Meer

How Many? is not like other counting books. In How Many?, there are multiple things to count on each page.  Meer

Which One Doesn’t Belong? has won the Mathical Book Prize, which will be presented to Christopher Danielson at the National Math Festival in Washington, DC on April 22, 2017.  Meer