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To pass an exam, you're supposed to complete a "10 additions" table in 10 minutes with 70% of accuracy, and each group of 10 multiplications (or divisions) in 5 minutes with also 70% of accuracy.
So, given the above, a Cumin-Hossenlopp example examination is supposed to take at most 30 minutes to be completed.
Simple additions and/or subtractions of 1 digit number to practice anzan
Last generated worksheets
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You can see the worksheets of the last 15 days: here.