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Same-Change Subtraction

Same-Change Subtraction
  • #: 16677
  • Price: $3.99 In Apple Store
  • Category: Education
  • Updated: 2017-02-15
  • Current Version: 5.0
  • 5.0
  • Size: 0.40 MB
  • Language: English
  • Seller: Esa Helttula
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 3.0 or later
  • © Esa Helttula
  •  Add to Favorite apps

 

Description

In the Same-Change Subtraction app the user can keep adding or subtracting the same amount from both numbers until the subtraction problem can be solved easily.

The same-change rules states that If you subtract or add the same number from both parts of a subtraction problem, the difference remains the same. A subtraction problem 667 – 289 is easier to solve if it is changed into 678 – 300.

Features:

- The numbers can have up to 3 digits

- You can set your own problems

- Three different themes

- Native interfaces for iPhone, and iPad

- Open worksheets of up to 10 problems that are made on the iDevBooks.com site

Other iDevBooks math apps

iDevBooks math apps have been reviewed and endorsed by Wired.com, Common Sense Media, and other respected sites and organizations.

Some of the over 30 other iDevBooks math apps are Visual Multiplication Table, Decimal Rounding, Whole Number Rounding, Column Subtraction, Column Addition, Long Division, Long Multiplication, Lattice Multiplication, Fraction Math, 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.

What's New in Version 5.0

- open worksheets from app (new worksheets can be made on the iDevBooks.com site)
- support for iOS 10.0
- support for shared iPad in school environments

For more information about worksheets and other new features of this version please visit idevbooks.com. Please also get in contact if you have any feedback or you want information about 32 iDevBooks math apps.

View iPhone screenshots | View iPad screenshots

iPhone Screenshots

Same-Change Subtraction iPhone Screenshot 1
Same-Change Subtraction iPhone Screenshot 2
Same-Change Subtraction iPhone Screenshot 3
Same-Change Subtraction iPhone Screenshot 4
Same-Change Subtraction iPhone Screenshot 5

iPad Screenshots

Same-Change Subtraction iPad Screenshot 1
Same-Change Subtraction iPad Screenshot 2
Same-Change Subtraction iPad Screenshot 3
Same-Change Subtraction iPad Screenshot 4
Same-Change Subtraction iPad Screenshot 5

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The information may be outdated (2017-03-06 17:18:30). For actual information go to iTunes


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