Who is this app appropriate for?

Zero Our Hero is a teacher-designed, research-based Mathematics app for students aged 7-12.

What content is covered?

The app focuses asks students quality questions related to the six aspects of whole number place value (Rogers, 2014). The aspects are: Calculate, Compare/Order, Count, Make/Represent, Name/Record and Rename.

Who designed the app?

The app is designed by experienced primary school teacher Dr Angela Rogers and is based on her PhD research into the teaching and learning of place value.

What are the features?

-Includes over 450 different questions specifically designed to address common student misconceptions in whole number place value.

-Questions are sequentially presented so students work at their own pace through four stages of difficulty.

-Students are continually encouraged to see mistakes as learning opportunities and are provided with three opportunities to try each question.

-Students are able to work independently on the app.

-No distracting music or annoying sounds included.

Why should you purchase this app?

Zero Our Hero is designed to be the most comprehensive place value app currently available. It is a wonderful resource for both teachers and parents to support their children in this critical area of the Mathematics curriculum.

App developed by Yianni Software Pty Ltd

What’s New

Version 1.1.0

Zero Our Hero is now available on Apple iPhones!
More fantastic research-based place value questions for students.
Four stages of challenging questions.
Questions address all 6 aspects of place value (Rogers, 2014).

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

L.pdx ,

Amazing resource!

Just downloaded the app! Great content and easy to use interface for kids, parents and teachers. Much needed resource- congrats :)


Angela Rogers
33 MB

Requires iOS 9.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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