King's package: Mental arithmetic in ZR 100 000 (Math, 4th grade) - including test

What does the "Mental Calculations in the ZR 100,000" package for math quantities for 4th grade contain?
All worksheets from Grundschulkönig on the topic of mental arithmetic in the ZR 100 000 are available for download as a single PDF.
The package also includes a test, which you can use to test your knowledge and see exactly where you stand.
What do I get for downloading?

• 1 PDF with 5 worksheets with the tasks to print and complete
• 1 PDF with solutions to the tasks
• + a test on the topic with the solution to the test (including assessment key)

>>> Continue practicing with our 14-day mental arithmetic challenge in the number range 100,000.