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Oh No Fractions! - Curious Hat Lab

By Curious Hat

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* 2013 Children's Technology Review Editor's Choice Award
* Featured by Apple in the Education Category (Apps for Elementary School, Apps for Middle School)
* Certified by Teachers With Apps "Badge of Distinction" 

Practice and explore fractions with this elegant and simple visual app.

Swipe left or right to answer if the fraction on the left is LESS, GREATER or EQUAL than the one on the right.
Peek at the visual solution before committing your answer or wait until later to prove it.
Tap above each fraction to see if they can be reduced/simplified.
Check the statistics of your practice runs.
Control audio options and set the max denominator using the Setup menu via the Curious Helmet.

Oh No Fractions! is part of Curious Hat LAB, a collections of prototypes and early ideas that we want to share with the world.

Let us know what you think! Write us at

What's New in Version 2.41

Addressed issues that caused the app to freeze under certain conditions.
Please send your comments and suggestions to


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Oh No Fractions! - Curious Hat Lab
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This app is designed for both iPhone and iPad
  • Free
  • Category: Education
  • Updated: Mar 15, 2014
  • Version: 2.41
  • Size: 3.7 MB
  • Languages: English, French, Italian
  • Seller: Curious Hat, Inc.

Compatibility: Requires iOS 5.1 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

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