What's New

Support for iOS11, iPad Pro 10.5", iPhone 8 & 8 Plus.

App Description

Negative Number Addition is a Maths Quiz program specialising in the addition of negative numbers. It is designed for young children, but it is also challenging for adults as well. All quizzes in the program are system generated and can be fine-tuned to suit the user's mathematical capability. As such, it is ideal as a training tool for anyone who wishes to improve their mathematical skills.

App Features:

* Arithmetics quiz for addition of negative numbers. Each quiz comes in three flavours: a) 1 + 2 = X b) 1 + X = -3 c) X + 2 = -3.
* My Quiz" feature with a user-definable operand. The user can define a specific operand to focus on. E.g. Addition with -4.
* Random Quiz feature for randomized operands.
* Built-in Stop Watch to measure the user's problem solving capability.
* Five user-selectable levels of difficulty.
* Performance monitoring for each difficulty level. Detailed performance statistics provided.
* All quizzes are auto-generated by the iOS device and randomized so there is a virtual unlimited set of possibilities.
* Universal App - works on iPhone and iPad devices.

Customers, thank you for your support. If you find this app useful, please rate and give us a review!

iPhone Screenshots

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Negative Number Addition screenshot 1 Negative Number Addition screenshot 2 Negative Number Addition screenshot 3 Negative Number Addition screenshot 4 Negative Number Addition screenshot 5

iPad Screenshots

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Negative Number Addition screenshot 6 Negative Number Addition screenshot 7 Negative Number Addition screenshot 8 Negative Number Addition screenshot 9 Negative Number Addition screenshot 10

App Changes

  • June 11, 2014 Initial release
  • October 19, 2014 New version 1.3
  • November 14, 2015 New version 1.4
  • November 07, 2016 New version 1.5
  • June 13, 2019 New version 1.6