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Learn & Exercise How to multiply double digit numbers quickly.

(19+7)x10 + 9x7 = 323 (Method-A1)

((5x5)+8)x100 + 8x8 = 3364 (Method-A6)

What’s New

Version 2.1

Performance improvements.

Ratings and Reviews

4.0 out of 5
1 Rating

1 Rating

Brodd04 ,


This app is good but the ways to show you how is kind of hard but the tests you can do are great for studying

Mrs. Sgt. Smith ,

Just lets you write on the screen. Doesn't check answers


App Privacy

The developer, Yasuyoshi Ota, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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