Learn & Exercise How to multiply double digit numbers quickly.
Practicing these methods is, by itself, a good brain training.
19x17
(19+7)x10 + 9x7 = 323 (Method-A1)
58x58
((5x5)+8)x100 + 8x8 = 3364 (Method-A6)
Please see the following site for how to use this app.
https://android.brain-workout.org/mathmethod/
Latest Version
1.0.2Requires Android
6.0
Category
Education AppContent Rating
Everyone
Report
Flag as inappropriateLast updated on Feb 5, 2024
Minor bug fixes and improvements. Install or update to the newest version to check it out!