The first solution to a series of four Australian Mathematics Competition past problems, showcasing some problem-solving strategies for missing number questions. This is a solution to an upper primary division question.
Problem video: • Problem: Missing Numbers - number logic. ...
Problem - print version: http://www.amt.edu.au/wp-content/uplo...
Solutions - print version: http://www.amt.edu.au/wp-content/uplo...
Thanks to Noah. Music via Bensound.com