Configure your exercise:Configure:

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numbers:
+
+
×
×
÷
÷
also mul/div numbers bigger than 10 (if possible)
more options...
system:decimalsroman numbershexadecimal
comma:no1 digit2 digits3 digitsrandom
columns:
rows:
Practice online (with instant feedback) or print worksheets (including correction sheets). Fully individualized and optimized for differentiated learning.