Lehrer Lämpel: Blob Tasks

Education

Free · Designed for iPad. Not verified for macOS.

iPad

Lehrer Lämpel is an educational app that supports primary school children (usually 3rd grade) to practise their multi-column addition skills. The standard addition method, where columns are processed from right to left, is supported. Steps are performed by easy drag & drop of numbers to the blackboard. The app offers an immediate feedback option where incorrect steps are immediately marked red and where correct steps are immediately marked green. Pupils can ask Lehrer Lämpel for help at any time. Help first removes an erroneously learner step; if there are no errors, a single step is performed towards the solution. All teacher steps towards the solution are followed-up with a step explanation as well. Various degrees of difficulty in terms of the number of digits the two numbers can have, and whether carrying operations are required. Supports self-defined addition tasks, and there is a work-sheet, and there are randomised exercises. Supports English, French, Italian and German. Available on the iPad, for iOS12 or later. The app is ad-free. No data is being collected. Please consider leaving a review. This helps a lot. Thanks!

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Improved drag and drop.

The developer, Claus Zinn, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Seller
    • Claus Zinn
    Size
    • 5.6 MB
    Category
    • Education
    Compatibility
    Requires iPadOS 12.0 or later.
    • iPad
      Requires iPadOS 12.0 or later.
    • Mac
      Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English and 3 more
    • English, French, German, Italian
    Age Rating
    4+
    Copyright
    • © 2014-2026, Claus Zinn