Incredible Numbers

© 2014 Touch Press
$4.99, iPad
Teaches: math, reading
CTR Rating: 95%
Editor's Choice

CTR Review

This interactive book mixes clearly written middle and high school level reading with 71 interactive, embedded and finger-driven math demonstrations. As a result, this is a math book that you touch as well as read. The text comes from 23 articles written by Ian Stewart, a math professor. Those seeking a challenge can try to solve the 15 puzzles (with illustrated answers). The main menu presents eight large dots; each representing color-coded chapters as follows: Primes, Secret Codes, Polygons, Infinity, pi, Factorials, Music and Nature. If you're expecting visually rich illustrations typical of Touch Press apps like Disney Animated, you may be disappointed by this app's clean, clear, text-driven design. On the other hand, the app is a surprisingly quick download, of just 93 MB. Middle and high school math teachers, take note of this app, which is a collaborative effort of Profile Books and Touch Press.