The addition of natural numbers

Operations with natural numbers I

 

3. Complete this magic square.
  Esta unidad interactiva requiere la máquina virtual de Java J2RE.
Distribute the numbers below to the empty cells in order to fill this magic square.

All the horizontal, vertical and diagonal rows must have the same outcome.

When you click on Init a new square will appear.

Do this exercise several times.  

 
  Esta unidad interactiva requiere la máquina virtual de Java J2RE.

This exercise is similar to the previous one but with larger numbers.

 
       
           
  Eduardo Barbero Corral
 
Spanish Ministry of Education. Year 2007
 
 


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