Can you fill-in all the digits so that all calculations are correct? But beware, no digit must occur more than once!
Lehrer Lämpel: Digit Square is an educational app that supports primary school children to practise their skills in basic arithmetic.
Easy input of numbers to the blackboard.
Pupils can ask Lehrer Lämpel for help at any time. Help first signals an erroneously learner step; if there are no errors, a single hint towards the next step of the solution is given.
All teacher steps towards the solution are followed-up with a step explanation as well.
Supports large number (362880) of randomised exercises
Supports English, French and German.
Available on the iPad, for iOS7 or later.
You or your child will never be prompted to provide any sort of information in our app. You are free to use the contact form on the website mathdistrict.com to give us your feedback, ask questions, elicit new app features, or file a bug report. For this, you can equally contact us at firstname.lastname@example.org.
We will use your contact information only for being able to reply to your requests. It will not be shared with anybody else.
Our app is solely financed by its price tag, there are no in-app purchases, and the app is ads-free.