hto
hundreds-tens-ones
Free
1.3for iPhone, iPad
Age Rating
hto Screenshots
About hto
Tap the screen to make counters in the columns. They can be exchanged up and down by selecting and dragging to different columns. Easily add and subtract in a visual manner that really shows how the column method works.
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What's New in the Latest Version 1.3
Last updated on Mar 17, 2018
Old Versions
Fixes a bug where new counters were created when the trash bar was tapped.
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Version History
1.3
Mar 17, 2018
Fixes a bug where new counters were created when the trash bar was tapped.
1.2
Jan 25, 2018
Pictures are now available that match the place value material used in many schools.
1.0
Nov 29, 2017
hto FAQ
Click here to learn how to download hto in restricted country or region.
Check the following list to see the minimum requirements of hto.
iPhone
iPad
hto supports English