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 addi
Equal Addition Subtraction is a free educational mobile app By Esa Helttula.It helps students practice the following standards .
Developer URL: http://idevbooks.com
Software Version: 6.0
Release Date: 2012-12-23T02:13:44Z