DESCRIPTION:
Educational games for math. The calculation of addition subtraction multiplication division. About 10000 math problems.
OVERVIEW:
Speed math:Mental arithmetic is a free educational mobile app By 向军 贾.It helps students practice the following standards .
This page not only allows students and teachers download Speed math:Mental arithmetic but also find engaging Sample Questions, Videos, Pins, Worksheets, Books related to the following topics.
ADDITIONAL INFORMATION:
Developer: 向军 贾
Developer URL: http://www.qqqf.com
Software Version: 1.1.1
Category: Education
Release Date: 2016-04-05T22:24:22Z