Domino Addition up to 12. Interactive activity to count and add up the dots on the dominoes shown, and choose the number from the 4 options. How many dots are there on the dominoes? The domino is made up of two parts, each with a number of dots from 0 to 6. To find out the value of the domino, you have to add up the dots on both parts. A domino can have a maximum of 0 to 12 points.