I used this with a low ability KS3 group. The idea was to reinforce what makes a number prime or composite, rather than to teach a number of prime values.
Students drew on the dots on each domino in a systematic way to ensure all 28 are found. The are then encouraged to choose two colours and colour the dominoes with a prime value one colour, and dominoes which were composite another colour. This led to some good discussion (as always) about the properties of 0 and 1, and 2 being an even prime number.
After this I allowed the students to play dominoes. I instructed that all dominoes of prime value would be worth double points at the end of the game. Students soon realised that in some cases it was beneficial to get rid of the 'hidden' higher value primes in order to not give away lots of points.
Students drew on the dots on each domino in a systematic way to ensure all 28 are found. The are then encouraged to choose two colours and colour the dominoes with a prime value one colour, and dominoes which were composite another colour. This led to some good discussion (as always) about the properties of 0 and 1, and 2 being an even prime number.
After this I allowed the students to play dominoes. I instructed that all dominoes of prime value would be worth double points at the end of the game. Students soon realised that in some cases it was beneficial to get rid of the 'hidden' higher value primes in order to not give away lots of points.
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