Find the next two dominoes in these sequences.
Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?
In this game for two players, the idea is to take it in turns to choose 1, 3, 5 or 7. The winner is the first to make the total 37.
Can you continue this pattern of triangles and begin to predict how many sticks are used for each new "layer"?