for iPad and iPhone
This math app can be used to teach and study the Russian multiplication method. The user can solve random or custom multiplication problems. The number of digits in the numbers can be set.
The Russian multiplication method is also called the Russian peasant multiplication or the Ethiopian multiplication method.
The Russian multiplication method
In this method is the the only multiplication facts we need to know are how to double and how to take half of a number. The method has been used by Russian peasants into the 20th century. It has also been used in ancient Ethiopia.
Features and settings:
-Each number can have from 1 or 2 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
Russian Multiplication Videos
Russian multiplication with one and two digit numbers
9 x 49
Egyptian multiplication with two digit numbers
23 x 28
Russian Multiplication in the Apple VPP Store for Education
The Volume Purchase Program allows participating educational institutions to purchase iDevBooks math apps in volume and distribute them to students. All iDevBooks math apps offer special 50% discount for purchases of 20 apps or more for participating educational institutions.