16 : 2 
Tables of multiplication 
          
Tables of division 











Instructions: Press one of the buttons on the right column The correct number is put in red .
In the combined operations, you must do the first operation with the first two numbers. Then, you must do the second operation with the result and the third number.
®Arturo Ramo García.Record of intellectual property of Teruel (Spain) No 141, of 29IX1999 Plaza Playa de Aro, 3, 1º DO 44002TERUEL