Download Shareware and Freeware Software for Windows, Linux, Macintosh, PDA

line Home  |  About Us  |  Link To Us  |  FAQ  |  Contact

Serving Software Downloads in 976 Categories, Downloaded 29.984.087 Times

Equal Addition Subtraction 1.1

Company: Esa Helttula
Date Added: April 05, 2014  |  Visits: 179

Equal Addition Subtraction
Full screenshot

Report Broken Link
Printer Friendly Version


Product Homepage
Download (7 downloads)

This math app can be used to teach and study the equal addition subtraction method. The user can solve random or custom subtraction problems with small and large numbers. The number of digits in the numbers can be set.

The equal addition subtraction method is also called the borrow and repay method or equal additions method for subtraction. Today the method is used in Australia and Latin America. The equal addition used to be a very popular method for subtraction in US until the middle of 20th century.

The equal addition subtraction method

The method is based upon the idea that adding the same amount to two numbers will not affect the difference between the two numbers. The process can be thought as:
- Work column by column from right to left
- When the digit of the first number is smaller than the corresponding digit of the second number, add ten to the digit of the first number and one to the digit of the second number in the next column to the left.

Review by professor Tim Pelton

Tim Pelton, assistant professor of Mathematics Education at the University of Victoria, reviewed the Column Subtraction app (that is very similar to this app) and wrote:

With the show current operation option turned on, they are constantly reminded of the next step, which can lead to efficient practice of the procedure. Then by turning off the current operation your child is able to practice remembering the steps on his/her own. 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.

Easy to use

The numbers are aligned automatically so that you can concentrate on solving the operations for each column. After you solve the operation for each column the correct answer will fly to the right place. If you tap the wrong button the answer will appear above the keyboard but it will not move.

Features and settings:

-Each number can have up to 5 digits
-Problems can be random or custom
-The current operation for each column can be hidden
-The operands of the current operation can be highlighted
-Colors of the interface can be changed
-The speed of the animations can be set
-Different interface on iPhone and iPad
-Works in portrait and landscape orientation on the iPad

Other iDevBooks math apps

iDevBooks math apps have been reviewed and endorsed by Wired.com, IEAR.org, Edudemic.com, Teachers with Apps, and other respected sites and organizations.

Some of the other 24 iDevBooks math apps are Column Subtraction, Column Addition, Long Division, Lattice Multiplication, Visual Multiplication Table, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, Decimal Rounding, etc.

Feedback and requests for new features

New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback.

Privacy

This app has no ads or in-app purchases and it does not transmit any data during the operation of the app. This app also does not contain any links to other apps or the web.
Requirements: iOS 5.1.1 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Requirements: No special requirements
Release Date: April 05, 2014
Platforms: iOS
Users rating: 0/10

License: Shareware Cost: $3.99 USD Size: 1.9 MB
EQUAL ADDITION SUBTRACTION RELATED
Mathematics  -  Calculation Made Easy 4.1
Calculation Made Easy Ver 4.1 is an electronic math flashcards program. It has drills written to teach children (even adults) Tables, Addition, Subtraction, Multiplication, and Division. Calculation Made Easy Ver 4.1 provides practice of...
2.69 MB  
Mathematics  -  AshSofDev Flash Cards 1.0.0.0
AshSofDev Flash Cards is an addition, subtraction, multiplication, and division flash card program.
3.26 MB  
Education  -  Elementary Addition & Subtraction for kids (ages 3-5) 1.0
Elementary addition & Subtraction for kids (ages 3-5) Adding and subtracting is the basis of all mathematics. The program applies visual methods (i.e. number bonds) to encourage learners to see and tell the answers through interactive...
32.7 MB  
Education  -  Addition & Subtraction Flash Action 1.0.0
Schools often require children to pass a timed test covering both addition and subtraction facts. School Zone's Flash Action Addition & Subtraction app is the perfect tool for memorizing those facts! With this helpful app, children will be able to...
74.9 MB  
Games  -  Puppy Count 1.0.1
Math made FUN with puppies! Count all of the puppies and make them equal the number on puppy paw by dragging them from the dog house. Sir Puppington will help teach you Addition, Subtraction, Multiplication and Division through puppies....
17.3 MB  
Games  -  24 - Math Game 1.0.0.2
The 24 Game is na arithmetial card game in which the object is to find a way to manipulate four integers so that end result is 24. Addition, subtraction, multiplication, or division may be used to make four digits equal 24. About 100 levels...
1024 KB  
Games  -  24 Math Game Free 1.2
A simple yet challenging math exercise game for smart people! The 24 Math Game is a mathematical card game in which the object is to find a way to manipulate four integers so that the end result is 24. Addition, subtraction, multiplication, or...
12.8 MB  
Games  -  24. Math Game 1.1
A simple yet challenging math exercise game for smart people! The 24 Math Game is a mathematical card game in which the object is to find a way to manipulate four integers so that the end result is 24. Addition, subtraction, multiplication, or...
5.1 MB  
Games  -  Balance Numbers 1.0
The purpose of game is to learn mathematical basic opearations like addition, subtraction, multiplication and division. The playing screen generated a question and the player gets 2 chance to answer a question else a new equation (question) is...
4.9 MB  
Games  -  Balance Numbers. 1.0
The purpose of game is to learn mathematical basic opearations like addition, subtraction, multiplication and division. The playing screen generated a question and the player gets 2 chance to answer a question else a new equation (question) is...
4.9 MB  
NEW DOWNLOADS IN MOBILE SOFTWARE, EDUCATION
Mobile Software  -  iRealty Property Ads Platform 7.5.0
Do you hold a real estate business? If so, then you are familiar with its difficulties, especially when it is time to demonstrate the house to the potential buyers. It takes so much time to organize open door events, talking to every single...
48.78 MB  
Mobile Software  -  Secure Hunter Anti theft 1.001
Secure Hunter Anti-Theft Very useful for app for everyone who are using Android smartphone that it will increase your device security using its features like to remove for charging, shake/move position of the device it'll ring and it'll not stop...
4 KB  
Mobile Software  -  APUS Launcher 1.9.11
APUS Launcher, a light-weight and intelligent Android Launcher, is the flagship product of the APUS User System. It will help users to make your Android phone easier, faster and more convenient to use. It can boost RAM and speed up phone,...
4.03 MB  
Mobile Software  -  iOS 9 Jailbreak 1.0.2
Download our iOS 9 Jailbreak freeware for your Windows computer to get complete Cydia installation process. This is simple downloader developed for all iOS users willing to jailbreak their devices. This tool will check your device status and also...
902.5 KB  
Mobile Software  -  Android EWCAD Component 3.0.0
Android EWCAD is a collection of 3D modeling , simulation and many other powerful features as one of 3D CAD components. It is convenient to apply to mobile phone or tablet can be used to CAD,CAM,CAE program development.Android EWCAD 3D control in...
17.55 MB  
Education  -  MM3-TeachingMachine - Vocabulary Builder - Learning with my mobile 2016-434
Your trainer for easily learning new words or flashcards. Choose between studying short-time for an examination or store facts permanently into your long-term memory. You can fully concentrate on studying. No inputs are necessary before you start...
2.39 MB  
Education  -  Life of Prophet Muhammad PBUH 1.4
Life of Prophet Muhammad is an Android app covering the full biography of Muhammad PBUH. Muhammad PBUH is the last Prophet of Allah (Rasool allah) which is why it is obligatory for every Muslim to know every aspect of his life. Through this smart...
7 B  
Education  -  ABC Memory Match Game 1.1
Guaranteed way to memorize alphabet and improve memory for your kids. Fun and Useful Educational Game. Improves cognitive skills and memory. Hours of fun. Easy and challenging levels. "Delightful! This is a delightful implementation of...
18.8 MB  
Education  -  Psychology 1100 Flashcards 1.0
This app is a study aid for students taking Ryan Hansen's Psychology 1100 course at Ohio State University. It contains many (but not all) of the vocabulary terms on the page ranges covered in the class. You may test yourself on either the words or...
9.7 MB  
Education  -  Learn Spanish: Listen, Speak and Play (Discovery) 1
Listen, speak and play - the quick and intuitive way to learn and recall everyday vocabulary in Spanish. It includes audio pronunciations by native Spanish speakers. Whether for leisure, school or business, this key vocabulary application covers a...
43.8 MB