IF: A MIND-BENDING WAY OF LOOKING AT BIG IDEAS AND NUMBERS​
Author: David J. Smith
​​Illustrator: Steve Adams

Number of pages: 48
Publisher: Wayland (UK)
First published in: 2015
Format: Picturebook
Recommended age range: 
9 years old + 

Relevant mathematics topics: 
Ratio & Proportion

​Possible teaching activities:
Not applicable - not a story

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