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1-digit addition: Mental arithmetic training 'Kurepuri'

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Add again only a number of the first digit of the total of added numbers next to each other. Repeat it and answer the last first digit.

Addition Exercises

Addition Exercises Addition Exercises
Mental arithmetic training 'Kurepuri' 01 (Beginner)
Add again only a number of the first digit of the total of added numbers next to each other. Repeat it and answer the last first digit.
Mental arithmetic training 'Kurepuri' 03 (Intermediate)
Add again only a number of the first digit of the total of added numbers next to each other. Repeat it and answer the last first digit.
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