About Column Addition
Column Addition helps students learn and practice the column addition method step by step. The app aligns the numbers automatically so students can focus on solving each column. Carrying is handled visually with...
Column Addition helps students learn and practice the column addition method step by step. The app aligns the numbers automatically so students can focus on solving each column. Carrying is handled visually with animations, helping students understand how digits move from one column to the next. Students can solve randomly generated problems or enter their own addition problems. The number of digits can be adjusted, making the app useful for different skill levels. Column addition is also known as columnar addition, long addition, or longhand addition. Features: - Add 2 or 3 numbers - Each number can have 1-5 digits - Randomly generated or manually entered problems - Automatic number alignment - Visual animated carrying - Current operation for each column can be hidden - Operands of the current operation can be highlighted - Customizable interface colors - Adjustable animation speed - Different interfaces for iPhone and iPad - 25 six-piece animal jigsaw puzzles - Puzzle feature can be turned on or off Reviews and Endorsements: Fun Educational Apps: “iDevBooks educational math apps make math enjoyable and entertaining. One of my sons was struggling with math and I must say the use of iDevBooks math apps has really helped him.” Professor Tim Pelton reviewed the sister app Column Subtraction: “Because no wrong entries are allowed the app provides a passive form of positive reinforcement and your child will likely improve in both confidence and competence with respect to the procedure.” Teacher endorsement: “The Math apps by Esa Helttula allow students to practice and reinforce the specific computation strategies taught in class, with as much or as little scaffolding as necessary. They also provide individualized feedback to each student, with an immediacy that is not always possible through pencil and paper practice.” - Rita Zeni, Ecole Sandy Hill Elementary, Abbotsford, BC, Canada Other iDevBooks Math Apps: Other iDevBooks math apps include Column Subtraction, Long Multiplication, Long Division, Lattice Multiplication, Visual Multiplication Table, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, Decimal Rounding, and more. Feedback: New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback. Privacy: This app has no ads, no in-app purchases, and does not transmit user data during operation. The app also does not contain links to other apps or to the web.
Version History Updated for iOS 26 compatibility. 7.0 May 23 - support for iOS 15 6.5 09/28/2021 - support for iOS 14 6.2 03/24/2021 Picture puzzle rewards that were missing from version 6.0 are now back. 6.1 10/07/2019 - support for iOS 13 - new interface with support for latest iPad and iPhone models - new theme colors 6.0 09/30/2019 - support for iOS 12 - support for iPhone Xr and Xs Max - minor bug fixes 5.2 11/10/2018 - suport for iPhone X - support for iOS 11 5.1 03/20/2018 - open worksheets from app (new worksheets can be made on the iDevBooks.com site) - support for iOS 10.0 - support for shared iPad in school environments For more information about worksheets and other new features of this version please visit idevbooks.com. Please also get in contact if you have any feedback or you want information about 32 iDevBooks math apps. 5.0 02/15/2017 - support for iOS 9.3 Please visit iDevBooks.com if you have any feedback or you want information about 26 iDevBooks math apps. 4.0 04/09/2016 - minor interface changes - new icon 3.0 09/12/2014 Interface updates for iOS 7. If you have any feedback please visit idevbooks.com. There are now 25 iDevBooks math apps. 2.4 09/29/2013 -The iPhone version has the same sepia theme as the iPad version. -The web link to support pages has been removed to prevent users from accidentally launching the browser. If you have any feedback please visit idevbooks.com. There are now 24 iDevBooks math apps. 2.3 05/29/2013 Fixes a problem with the puzzle pieces on the iPad. Some pieces were not visible in landscape orientation. If you have any feedback please visit idevbooks.com. There are now 20 iDevBooks math apps. 2.2 11/20/2012 Support for iPhone 5 and iOS 6. If you have feedback or questions please visit http://idevbooks.com 2.1 10/04/2012 - The app is now universal and it has custom interfaces for iPhone and iPad - On the iPad the app can be used in portrait or landscape orientation - Some minor bugs on iPhone / iPod Touch have been fixed - Please give feedback and get information about 18 other math apps by visiting http://idevbooks.com 2.0 12/04/2011 Minor interface changes. If you have any questions, requests for new features or would like to see my 18 other math apps please visit http://idevbooks.com 1.4 08/03/2011 - A six-piece jigsaw puzzle is reveled piece by piece after every solved problem - There are 21 different jigsaw puzzles - The puzzle can be shown or hidden at any time - The user can now also set the numbers to be added - The app has a new icon similar in style to my other apps (Long Division, Long Multiplication and 14 others) - The keyboard is now a "rolling keyboard", like in my other apps: Fraction Math, Column Subtraction etc. - Some minor bugs have been fixed If you have any questions, requests for new features or would like to see my 17 other math apps please visit http://idevbooks.com 1.3 06/08/2010 New features: -The speed of the animations can be set -The current operands can be highlighted -The app has now 3 different color themes -All settings are saved when you exit the app -The app has a web link to support pages at idevbooks.com 1.2 01/06/2010 New app icon and minor user interface changes. 1.1 12/04/2009 1.0 11/17/2009
Previous Versions
Here you can find the changelog of Column Addition since it was posted on our website on 2016-09-25 03:31:12.
The latest version is 7.0 and it was updated on 2026-10-17 13:09:53. See below the changes in each version.
Column Addition version 7.0
Updated At: 2026-10-14
Changes: Version History Updated for iOS 26 compatibility. 7.0 May 23 - support for iOS 15 6.5 09/28/2021 - support for iOS 14 6.2 03/24/2021 Picture puzzle rewards that were missing from version 6.0 are now back. 6.1 10/07/2019 - support for iOS 13
- new interface with support for latest iPad and iPhone models
- new theme colors 6.0 09/30/2019 - support for iOS 12
- support for iPhone Xr and Xs Max
- minor bug fixes 5.2 11/10/2018 - suport for iPhone X
- support for iOS 11 5.1 03/20/2018 - open worksheets from app (new worksheets can be made on the iDevBooks.com site)
- support for iOS 10.0
- support for shared iPad in school environments
For more information about worksheets and other new features of this version please visit idevbooks.com. Please also get in contact if you have any feedback or you want information about 32 iDevBooks math apps. 5.0 02/15/2017 - support for iOS 9.3
Please visit iDevBooks.com if you have any feedback or you want information about 26 iDevBooks math apps. 4.0 04/09/2016 - minor interface changes
- new icon 3.0 09/12/2014 Interface updates for iOS 7.
If you have any feedback please visit idevbooks.com. There are now 25 iDevBooks math apps. 2.4 09/29/2013 -The iPhone version has the same sepia theme as the iPad version.
-The web link to support pages has been removed to prevent users from accidentally launching the browser.
If you have any feedback please visit idevbooks.com. There are now 24 iDevBooks math apps. 2.3 05/29/2013 Fixes a problem with the puzzle pieces on the iPad. Some pieces were not visible in landscape orientation.
If you have any feedback please visit idevbooks.com. There are now 20 iDevBooks math apps. 2.2 11/20/2012 Support for iPhone 5 and iOS 6.
If you have feedback or questions please visit http://idevbooks.com 2.1 10/04/2012 - The app is now universal and it has custom interfaces for iPhone and iPad
- On the iPad the app can be used in portrait or landscape orientation
- Some minor bugs on iPhone / iPod Touch have been fixed
- Please give feedback and get information about 18 other math apps by visiting http://idevbooks.com 2.0 12/04/2011 Minor interface changes.
If you have any questions, requests for new features or would like to see my 18 other math apps please visit http://idevbooks.com 1.4 08/03/2011 - A six-piece jigsaw puzzle is reveled piece by piece after every solved problem
- There are 21 different jigsaw puzzles
- The puzzle can be shown or hidden at any time
- The user can now also set the numbers to be added
- The app has a new icon similar in style to my other apps (Long Division, Long Multiplication and 14 others)
- The keyboard is now a "rolling keyboard", like in my other apps: Fraction Math, Column Subtraction etc.
- Some minor bugs have been fixed
If you have any questions, requests for new features or would like to see my 17 other math apps please visit http://idevbooks.com 1.3 06/08/2010 New features:
-The speed of the animations can be set
-The current operands can be highlighted
-The app has now 3 different color themes
-All settings are saved when you exit the app
-The app has a web link to support pages at idevbooks.com 1.2 01/06/2010 New app icon and minor user interface changes. 1.1 12/04/2009 1.0 11/17/2009
Column Addition version 6.5
Updated At: 2026-05-09
Changes: Version History - support for iOS 15 6.5 09/28/2021 - support for iOS 14 6.2 03/24/2021 Picture puzzle rewards that were missing from version 6.0 are now back. 6.1 10/07/2019 - support for iOS 13
- new interface with support for latest iPad and iPhone models
- new theme colors 6.0 09/30/2019 - support for iOS 12
- support for iPhone Xr and Xs Max
- minor bug fixes 5.2 11/10/2018 - suport for iPhone X
- support for iOS 11 5.1 03/20/2018 - open worksheets from app (new worksheets can be made on the iDevBooks.com site)
- support for iOS 10.0
- support for shared iPad in school environments
For more information about worksheets and other new features of this version please visit idevbooks.com. Please also get in contact if you have any feedback or you want information about 32 iDevBooks math apps. 5.0 02/15/2017 - support for iOS 9.3
Please visit iDevBooks.com if you have any feedback or you want information about 26 iDevBooks math apps. 4.0 04/09/2016 - minor interface changes
- new icon 3.0 09/12/2014 Interface updates for iOS 7.
If you have any feedback please visit idevbooks.com. There are now 25 iDevBooks math apps. 2.4 09/29/2013 -The iPhone version has the same sepia theme as the iPad version.
-The web link to support pages has been removed to prevent users from accidentally launching the browser.
If you have any feedback please visit idevbooks.com. There are now 24 iDevBooks math apps. 2.3 05/29/2013 Fixes a problem with the puzzle pieces on the iPad. Some pieces were not visible in landscape orientation.
If you have any feedback please visit idevbooks.com. There are now 20 iDevBooks math apps. 2.2 11/20/2012 Support for iPhone 5 and iOS 6.
If you have feedback or questions please visit http://idevbooks.com 2.1 10/04/2012 - The app is now universal and it has custom interfaces for iPhone and iPad
- On the iPad the app can be used in portrait or landscape orientation
- Some minor bugs on iPhone / iPod Touch have been fixed
- Please give feedback and get information about 18 other math apps by visiting http://idevbooks.com 2.0 12/04/2011 Minor interface changes.
If you have any questions, requests for new features or would like to see my 18 other math apps please visit http://idevbooks.com 1.4 08/03/2011 - A six-piece jigsaw puzzle is reveled piece by piece after every solved problem
- There are 21 different jigsaw puzzles
- The puzzle can be shown or hidden at any time
- The user can now also set the numbers to be added
- The app has a new icon similar in style to my other apps (Long Division, Long Multiplication and 14 others)
- The keyboard is now a "rolling keyboard", like in my other apps: Fraction Math, Column Subtraction etc.
- Some minor bugs have been fixed
If you have any questions, requests for new features or would like to see my 17 other math apps please visit http://idevbooks.com 1.3 06/08/2010 New features:
-The speed of the animations can be set
-The current operands can be highlighted
-The app has now 3 different color themes
-All settings are saved when you exit the app
-The app has a web link to support pages at idevbooks.com 1.2 01/06/2010 New app icon and minor user interface changes. 1.1 12/04/2009 1.0 11/17/2009
Column Addition version 6.5
Updated At: 2021-09-28
Changes: Sep 28, 2021 Version 6.5
- support for iOS 15
Column Addition version 6.5
Updated At: 2021-09-28
Changes: - support for iOS 15
Column Addition version 6.2
Updated At: 2021-03-24
Changes: 24 Mar 2021 Version 6.2
- support for iOS 14
Column Addition version 6.2
Updated At: 2021-03-24
Changes: Mar 24, 2021 Version 6.2
- support for iOS 14
Column Addition version 6.1
Updated At: 2019-10-07
Changes: 7 Oct 2019 Version 6.1
Picture puzzle rewards that were missing from version 6.0 are now back.
Column Addition version 6.1
Updated At: 2019-10-07
Changes: Oct 7, 2019 Version 6.1
Picture puzzle rewards that were missing from version 6.0 are now back.
Column Addition version 4.0
Updated At: 2009-11-17
Column Addition version 6.1
Updated At: 1970-01-01
Changes: 7 de Out de 2019 Version 6.1
Picture puzzle rewards that were missing from version 6.0 are now back.
Disclaimer
Official App Store Link
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