Place Value Subtraction
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.
- numbers with 1 - 3 digits
- random problems
- custom problems
One of four apps in the iDevBooks Place Value series
Place Value Subtraction preview video
Place Value Subtraction in the Apple VPP Store for Education
The Volume Purchase Program allows participating educational institutions to purchase iDevBooks math apps in volume and distribute them to students. All iDevBooks math apps offer special 50% discount for purchases of 20 apps or more for participating educational institutions.