Mrs Hudson 0 Report post Posted September 18 Why does Primary Mathematics not include zero as a multiple for numbers? For example the directions say list the first five multiples of 9 and the answer says 9,18,27,36. Share this post Link to post Share on other sites

Jenny 3 Report post Posted September 22 Possibly because it is a multiple of every number, but is not very useful in finding common multiples for later operations or problem solving. I suppose you could tell your student that 0 is a multiple of every number according to the formal definition of multiples, but it is not particularly useful to list it all the time when finding multiples to, for example, add fractions. Share this post Link to post Share on other sites