Domino Trick

1. Think of a domino and count the number of pips
      on the left side of that domino.

2. Multiply this number by 5.

3. Add 7.

4. Multiply by 2.

5. Add the number of pips on the right side of the domino.

Enter your answer:

 
 
 

Many thanks to Jaime Garcia Ramirez for helping me with the javascript!

 

Click here to run again

Click here to see why it works