You are downloading the Quick Maths AppX file v220.127.116.11 for Windows Phone. Quick Maths is a free and fun Educational game: Math Game is a brain-training site, for everyone, where logic & thinking & math meets fun & gamesMath Game has cool math lessons, ... You can now download the offline AppX file to install & try it.
Download Locations for Quick Maths 18.104.22.168 AppX file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppX File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Quick Maths AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.