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Overview System Requirements Reviews Related


Understanding the concept of places and values in the base then system is essential for long-term understanding. In subtraction place value is essential to the concept of regrouping. This math app is about visually subtracting two numbers using place value discs. Features: - numbers with 1 - 3 digits random problems custom problems One of four apps in the iDevBooks Place Value series Place Value Addition Place Value Subtraction Place Value Multiplication Place Value Division Please visit idevbooks.com to see a video of the app. Other iDevBooks math apps iDevBooks math apps have been reviewed and endorsed by Wired.com, IEAR.org, Edudemic.com, Teachers with Apps, and other respected sites and organizations. Some of the other 24 iDevBooks math apps are Visual Fractions Decimals and Percentages, Decimal Rounding, Whole Number Rounding, Column Subtraction, Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, etc. Feedback and requests for new features New ideas to make this app better are welcome. Please visit idevbooks.com to give feedback. Privacy This app has no ads or in-app purchases and it does not transmit any data during the operation of the app. This app also does not contain any links to other apps or the web.


Additional information

Published by



Esa Helttula

Release date


Approximate size

51.07 MB

Age rating

For all ages



This app can

Access your Internet connection


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)

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