Column Subtraction for Android

11 things about Column Subtraction

1. Some of the other 40 iDevBooks math apps are Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Visual Multiplication Table, Fraction Math, Partial Differences Subtraction, Partial Quotients Division, Partial Sums Addition, etc.

2. iDevBooks math apps have been reviewed and endorsed by Wired.com, IEAR.org, Edudemic.com, Teachers with Apps, and other respected sites and organizations.

3. "The Math apps by Esa Helttula allow students to practice and reinforce the specific computation strategies taught in class, with as much or as little scaffolding as necessary.

4. This math app can be used to teach and study the column subtraction method.

5. The user can solve random or custom subtraction problems with small and large numbers.

6. “With the ‘show current operation’ option turned on, they are constantly reminded of the next step, which can lead to efficient practice of the procedure.

7. The column subtraction method is also known as columnar subtraction, long subtraction or longhand subtraction.

8. Every time the user solves one addition problem, one more piece of a six-piece picture puzzle is revealed.

9. Then by turning off the current operation your child is able to practice remembering the steps on his/her own.

10. After solving the operation for each column the correct answer will fly to the right place.

11. You can also solve each step during the renaming by setting automatic renaming to off in the settings.