This app teaches and reinforces the partial sums addition method. It offers an interactive interface with customizable settings, allowing users to solve random or custom addition problems with varying numbers of digits and addends. The app provides immediate feedback and aligns numbers automatically for focused learning.
7.0
June 23, 2026
Updated for iOS 26 compatibility.
The partial sums addition method is a two-step process where each place value is added separately from left to right. For example, in 764 + 340, you would add the hundreds, then the tens, then the ones, to arrive at the final sum.
The app provides an intuitive interactive interface with customizable settings to teach and study the partial sums addition method. It offers immediate feedback and automatically aligns numbers, allowing users to focus on solving operations.
Yes, you can solve random addition problems or create custom ones. The number of digits in each number can be set from 2 to 3, and you can choose to add 2 or 3 numbers at a time.
Partial Sums Addition is available on iPhone, iPad, and iPod, offering custom interfaces for both iPhone and iPad.
The app has an age rating of 4+, making it suitable for young learners and above.
The latest version of Partial Sums Addition is 6.5, and it was last updated on October 19, 2021.
No, Partial Sums Addition does not contain any advertisements. It is designed to be free of distractions like mini-games or annoying music.
This app focuses solely on teaching and practicing the partial sums addition method without cluttering the experience with mini-games or incentives. It is endorsed by teachers for its ability to reinforce specific computation strategies and provide individualized feedback.
