Do you really know how to do + - × ÷?

Author: [UK] Poskett Illustrations
Publisher:
Publish Date: 2004-07-01
Features: The series of "Horrible Science" operates in such a way that young readers are compelled to enjoy them, learning in a fun way without the tediousness of memorizing facts. Instead, it becomes a delightful game. More addictive than games, funnier than cartoons, and more stimulating than the internet! A unique combination of learning and humor makes reading science books as addictive as reading Harry Potter. Do math make you suffer? Are you afraid of memorizing multiplication tables? Have you been terrified by long division in your studies and exams? If even simple addition and subtraction make you tremble, then you definitely need "Do You Really Know + - x ÷?". Give yourself a chance to plan how to escape the devil's death trap, uncover why an insignificant multiplication can stop the horrible hairy spotted disease, and learn why a poor, silly mathematician spent five years proving that 5 + 0 = 5. Meanwhile, Charlo, Grizelda Gable, and their detestable accomplices discover that even simple math can kill.