Big Addition can help you improve your problem solving speed and accuracy for multi digit addition problems.If you need a refresher, there is a step-by-step problem solver in the practice area that can read-out the solution to you a step at a time.
(Text-to-speech support required.)Larger, more difficult, problems are unlocked by solving smaller/easier problems.You can analyze your problem areas with both numerical and color-coded display of your results.Stay motivated by setting and beating your fastest times.Find your best rhythm by turning off/on any combination of verbal, sound, and vibration feedback.This is a free-to-download, ad-supported app.Thanks for any support.MATH Domain Development
https://andro.io/app/longaddition
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Big Addition: Long Addition for Android – Latest Version & Features
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> 2.2k
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~$900
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